Home / 21,295,641.18-31,948,835.71-5,942,918.19

Finding the Fourth Proportional to 21,295,641.18, 31,948,835.71 and 5,942,918.19

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Solution

The fourth proportional to 21,295,641.18, 31,948,835.71 and 5,942,918.19 is: 8,915,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,641.18 : 31,948,835.71 = 5,942,918.19 : x
  2. Step 2: Convert to fraction form
    21,295,641.18/31,948,835.71 = 5,942,918.19/x
  3. Step 3: Cross multiply
    21,295,641.18x = 31,948,835.71 × 5,942,918.19
  4. Step 4: Simplify right side
    21,295,641.18x = 189,869,316,890,280.59
  5. Step 5: Solve for x
    x = 189,869,316,890,280.59/21,295,641.18
  6. Step 6: Final answer
    x = 8,915,876.98

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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.