Home / 42,012,040.80-63,018,061.20-10,099,336.80

Finding the Fourth Proportional to 42,012,040.80, 63,018,061.20 and 10,099,336.80

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Solution

The fourth proportional to 42,012,040.80, 63,018,061.20 and 10,099,336.80 is: 15,149,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,040.80 : 63,018,061.20 = 10,099,336.80 : x
  2. Step 2: Convert to fraction form
    42,012,040.80/63,018,061.20 = 10,099,336.80/x
  3. Step 3: Cross multiply
    42,012,040.80x = 63,018,061.20 × 10,099,336.80
  4. Step 4: Simplify right side
    42,012,040.80x = 636,440,624,541,812.25
  5. Step 5: Solve for x
    x = 636,440,624,541,812.25/42,012,040.80
  6. Step 6: Final answer
    x = 15,149,005.20

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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.