Home / 28,527,026.40-42,822,032.40-17,756,488.80

Finding the Fourth Proportional to 28,527,026.40, 42,822,032.40 and 17,756,488.80

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Solution

The fourth proportional to 28,527,026.40, 42,822,032.40 and 17,756,488.80 is: 26,654,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527,026.40 : 42,822,032.40 = 17,756,488.80 : x
  2. Step 2: Convert to fraction form
    28,527,026.40/42,822,032.40 = 17,756,488.80/x
  3. Step 3: Cross multiply
    28,527,026.40x = 42,822,032.40 × 17,756,488.80
  4. Step 4: Simplify right side
    28,527,026.40x = 760,368,938,703,837.12
  5. Step 5: Solve for x
    x = 760,368,938,703,837.12/28,527,026.40
  6. Step 6: Final answer
    x = 26,654,335.72

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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.