Home / 22,480,905.76-31,020,348.01-12,556,565.53

Finding the Fourth Proportional to 22,480,905.76, 31,020,348.01 and 12,556,565.53

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Solution

The fourth proportional to 22,480,905.76, 31,020,348.01 and 12,556,565.53 is: 17,326,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480,905.76 : 31,020,348.01 = 12,556,565.53 : x
  2. Step 2: Convert to fraction form
    22,480,905.76/31,020,348.01 = 12,556,565.53/x
  3. Step 3: Cross multiply
    22,480,905.76x = 31,020,348.01 × 12,556,565.53
  4. Step 4: Simplify right side
    22,480,905.76x = 389,509,032,550,970.12
  5. Step 5: Solve for x
    x = 389,509,032,550,970.12/22,480,905.76
  6. Step 6: Final answer
    x = 17,326,216.15

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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.