Home / 34,454,966.40-47,549,971.68-18,985,047

Finding the Fourth Proportional to 34,454,966.40, 47,549,971.68 and 18,985,047

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Solution

The fourth proportional to 34,454,966.40, 47,549,971.68 and 18,985,047 is: 26,200,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454,966.40 : 47,549,971.68 = 18,985,047 : x
  2. Step 2: Convert to fraction form
    34,454,966.40/47,549,971.68 = 18,985,047/x
  3. Step 3: Cross multiply
    34,454,966.40x = 47,549,971.68 × 18,985,047
  4. Step 4: Simplify right side
    34,454,966.40x = 902,738,447,193,469
  5. Step 5: Solve for x
    x = 902,738,447,193,469/34,454,966.40
  6. Step 6: Final answer
    x = 26,200,531.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.