Home / 10,602,729.60-15,885,355.20-10,251,907.20

Finding the Fourth Proportional to 10,602,729.60, 15,885,355.20 and 10,251,907.20

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Solution

The fourth proportional to 10,602,729.60, 15,885,355.20 and 10,251,907.20 is: 15,359,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,729.60 : 15,885,355.20 = 10,251,907.20 : x
  2. Step 2: Convert to fraction form
    10,602,729.60/15,885,355.20 = 10,251,907.20/x
  3. Step 3: Cross multiply
    10,602,729.60x = 15,885,355.20 × 10,251,907.20
  4. Step 4: Simplify right side
    10,602,729.60x = 162,855,187,349,437.41
  5. Step 5: Solve for x
    x = 162,855,187,349,437.41/10,602,729.60
  6. Step 6: Final answer
    x = 15,359,741.64

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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.