Home / 10,931,620.10-16,397,430.15-8,805,856.10

Finding the Fourth Proportional to 10,931,620.10, 16,397,430.15 and 8,805,856.10

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Solution

The fourth proportional to 10,931,620.10, 16,397,430.15 and 8,805,856.10 is: 13,208,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,620.10 : 16,397,430.15 = 8,805,856.10 : x
  2. Step 2: Convert to fraction form
    10,931,620.10/16,397,430.15 = 8,805,856.10/x
  3. Step 3: Cross multiply
    10,931,620.10x = 16,397,430.15 × 8,805,856.10
  4. Step 4: Simplify right side
    10,931,620.10x = 144,393,410,310,701.41
  5. Step 5: Solve for x
    x = 144,393,410,310,701.41/10,931,620.10
  6. Step 6: Final answer
    x = 13,208,784.15

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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.