Home / 10,865,237.60-16,297,856.40-8,345,813.60

Finding the Fourth Proportional to 10,865,237.60, 16,297,856.40 and 8,345,813.60

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Solution

The fourth proportional to 10,865,237.60, 16,297,856.40 and 8,345,813.60 is: 12,518,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,237.60 : 16,297,856.40 = 8,345,813.60 : x
  2. Step 2: Convert to fraction form
    10,865,237.60/16,297,856.40 = 8,345,813.60/x
  3. Step 3: Cross multiply
    10,865,237.60x = 16,297,856.40 × 8,345,813.60
  4. Step 4: Simplify right side
    10,865,237.60x = 136,018,871,593,967.03
  5. Step 5: Solve for x
    x = 136,018,871,593,967.03/10,865,237.60
  6. Step 6: Final answer
    x = 12,518,720.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.