Home / 10,155,486.96-15,127,679.95-9,605,434.59

Finding the Fourth Proportional to 10,155,486.96, 15,127,679.95 and 9,605,434.59

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Solution

The fourth proportional to 10,155,486.96, 15,127,679.95 and 9,605,434.59 is: 14,308,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,486.96 : 15,127,679.95 = 9,605,434.59 : x
  2. Step 2: Convert to fraction form
    10,155,486.96/15,127,679.95 = 9,605,434.59/x
  3. Step 3: Cross multiply
    10,155,486.96x = 15,127,679.95 × 9,605,434.59
  4. Step 4: Simplify right side
    10,155,486.96x = 145,307,940,234,165.88
  5. Step 5: Solve for x
    x = 145,307,940,234,165.88/10,155,486.96
  6. Step 6: Final answer
    x = 14,308,318.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.