Home / 21,063,089.40-31,594,634.10-19,803,377.40

Finding the Fourth Proportional to 21,063,089.40, 31,594,634.10 and 19,803,377.40

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Solution

The fourth proportional to 21,063,089.40, 31,594,634.10 and 19,803,377.40 is: 29,705,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,089.40 : 31,594,634.10 = 19,803,377.40 : x
  2. Step 2: Convert to fraction form
    21,063,089.40/31,594,634.10 = 19,803,377.40/x
  3. Step 3: Cross multiply
    21,063,089.40x = 31,594,634.10 × 19,803,377.40
  4. Step 4: Simplify right side
    21,063,089.40x = 625,680,462,897,209.38
  5. Step 5: Solve for x
    x = 625,680,462,897,209.38/21,063,089.40
  6. Step 6: Final answer
    x = 29,705,066.10

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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.