Home / 42,587,893.23-63,881,832.55-13,462,178.08

Finding the Fourth Proportional to 42,587,893.23, 63,881,832.55 and 13,462,178.08

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Solution

The fourth proportional to 42,587,893.23, 63,881,832.55 and 13,462,178.08 is: 20,193,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587,893.23 : 63,881,832.55 = 13,462,178.08 : x
  2. Step 2: Convert to fraction form
    42,587,893.23/63,881,832.55 = 13,462,178.08/x
  3. Step 3: Cross multiply
    42,587,893.23x = 63,881,832.55 × 13,462,178.08
  4. Step 4: Simplify right side
    42,587,893.23x = 859,988,605,864,840.50
  5. Step 5: Solve for x
    x = 859,988,605,864,840.50/42,587,893.23
  6. Step 6: Final answer
    x = 20,193,264.81

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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.