Home / 20,072,397.60-27,700,041.36-10,905,037.92

Finding the Fourth Proportional to 20,072,397.60, 27,700,041.36 and 10,905,037.92

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Solution

The fourth proportional to 20,072,397.60, 27,700,041.36 and 10,905,037.92 is: 15,049,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,397.60 : 27,700,041.36 = 10,905,037.92 : x
  2. Step 2: Convert to fraction form
    20,072,397.60/27,700,041.36 = 10,905,037.92/x
  3. Step 3: Cross multiply
    20,072,397.60x = 27,700,041.36 × 10,905,037.92
  4. Step 4: Simplify right side
    20,072,397.60x = 302,070,001,416,368.38
  5. Step 5: Solve for x
    x = 302,070,001,416,368.38/20,072,397.60
  6. Step 6: Final answer
    x = 15,049,024.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.