Home / 42,854,463.16-64,298,726.21-13,712,791.03

Finding the Fourth Proportional to 42,854,463.16, 64,298,726.21 and 13,712,791.03

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Solution

The fourth proportional to 42,854,463.16, 64,298,726.21 and 13,712,791.03 is: 20,574,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,854,463.16 : 64,298,726.21 = 13,712,791.03 : x
  2. Step 2: Convert to fraction form
    42,854,463.16/64,298,726.21 = 13,712,791.03/x
  3. Step 3: Cross multiply
    42,854,463.16x = 64,298,726.21 × 13,712,791.03
  4. Step 4: Simplify right side
    42,854,463.16x = 881,714,996,012,913.88
  5. Step 5: Solve for x
    x = 881,714,996,012,913.88/42,854,463.16
  6. Step 6: Final answer
    x = 20,574,636.36

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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.