Home / 42,126,985.20-63,190,477.80-11,834,848.20

Finding the Fourth Proportional to 42,126,985.20, 63,190,477.80 and 11,834,848.20

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Solution

The fourth proportional to 42,126,985.20, 63,190,477.80 and 11,834,848.20 is: 17,752,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,985.20 : 63,190,477.80 = 11,834,848.20 : x
  2. Step 2: Convert to fraction form
    42,126,985.20/63,190,477.80 = 11,834,848.20/x
  3. Step 3: Cross multiply
    42,126,985.20x = 63,190,477.80 × 11,834,848.20
  4. Step 4: Simplify right side
    42,126,985.20x = 747,849,712,448,469.88
  5. Step 5: Solve for x
    x = 747,849,712,448,469.88/42,126,985.20
  6. Step 6: Final answer
    x = 17,752,272.30

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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.