Home / 12,306,031.60-18,459,047.40-8,715,852.40

Finding the Fourth Proportional to 12,306,031.60, 18,459,047.40 and 8,715,852.40

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Solution

The fourth proportional to 12,306,031.60, 18,459,047.40 and 8,715,852.40 is: 13,073,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,031.60 : 18,459,047.40 = 8,715,852.40 : x
  2. Step 2: Convert to fraction form
    12,306,031.60/18,459,047.40 = 8,715,852.40/x
  3. Step 3: Cross multiply
    12,306,031.60x = 18,459,047.40 × 8,715,852.40
  4. Step 4: Simplify right side
    12,306,031.60x = 160,886,332,583,003.75
  5. Step 5: Solve for x
    x = 160,886,332,583,003.75/12,306,031.60
  6. Step 6: Final answer
    x = 13,073,778.60

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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.