Home / 10,696,543.20-16,044,814.80-9,772,754.40

Finding the Fourth Proportional to 10,696,543.20, 16,044,814.80 and 9,772,754.40

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Solution

The fourth proportional to 10,696,543.20, 16,044,814.80 and 9,772,754.40 is: 14,659,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696,543.20 : 16,044,814.80 = 9,772,754.40 : x
  2. Step 2: Convert to fraction form
    10,696,543.20/16,044,814.80 = 9,772,754.40/x
  3. Step 3: Cross multiply
    10,696,543.20x = 16,044,814.80 × 9,772,754.40
  4. Step 4: Simplify right side
    10,696,543.20x = 156,802,034,433,885.12
  5. Step 5: Solve for x
    x = 156,802,034,433,885.12/10,696,543.20
  6. Step 6: Final answer
    x = 14,659,131.60

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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.