Home / 10,532,931.40-15,799,397.10-9,711,785.80

Finding the Fourth Proportional to 10,532,931.40, 15,799,397.10 and 9,711,785.80

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Solution

The fourth proportional to 10,532,931.40, 15,799,397.10 and 9,711,785.80 is: 14,567,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532,931.40 : 15,799,397.10 = 9,711,785.80 : x
  2. Step 2: Convert to fraction form
    10,532,931.40/15,799,397.10 = 9,711,785.80/x
  3. Step 3: Cross multiply
    10,532,931.40x = 15,799,397.10 × 9,711,785.80
  4. Step 4: Simplify right side
    10,532,931.40x = 153,440,360,404,341.19
  5. Step 5: Solve for x
    x = 153,440,360,404,341.19/10,532,931.40
  6. Step 6: Final answer
    x = 14,567,678.70

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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.