Home / 42,679,264.48-64,025,564.64-13,918,711.36

Finding the Fourth Proportional to 42,679,264.48, 64,025,564.64 and 13,918,711.36

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Solution

The fourth proportional to 42,679,264.48, 64,025,564.64 and 13,918,711.36 is: 20,880,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,264.48 : 64,025,564.64 = 13,918,711.36 : x
  2. Step 2: Convert to fraction form
    42,679,264.48/64,025,564.64 = 13,918,711.36/x
  3. Step 3: Cross multiply
    42,679,264.48x = 64,025,564.64 × 13,918,711.36
  4. Step 4: Simplify right side
    42,679,264.48x = 891,153,353,885,182.25
  5. Step 5: Solve for x
    x = 891,153,353,885,182.25/42,679,264.48
  6. Step 6: Final answer
    x = 20,880,241.61

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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.