Home / 42,587,889.48-63,881,826.93-13,462,174.33

Finding the Fourth Proportional to 42,587,889.48, 63,881,826.93 and 13,462,174.33

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Solution

The fourth proportional to 42,587,889.48, 63,881,826.93 and 13,462,174.33 is: 20,193,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587,889.48 : 63,881,826.93 = 13,462,174.33 : x
  2. Step 2: Convert to fraction form
    42,587,889.48/63,881,826.93 = 13,462,174.33/x
  3. Step 3: Cross multiply
    42,587,889.48x = 63,881,826.93 × 13,462,174.33
  4. Step 4: Simplify right side
    42,587,889.48x = 859,988,290,490,844.12
  5. Step 5: Solve for x
    x = 859,988,290,490,844.12/42,587,889.48
  6. Step 6: Final answer
    x = 20,193,259.19

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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.