Home / 38,411,275.60-53,006,817.64-21,007,567

Finding the Fourth Proportional to 38,411,275.60, 53,006,817.64 and 21,007,567

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Solution

The fourth proportional to 38,411,275.60, 53,006,817.64 and 21,007,567 is: 28,990,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411,275.60 : 53,006,817.64 = 21,007,567 : x
  2. Step 2: Convert to fraction form
    38,411,275.60/53,006,817.64 = 21,007,567/x
  3. Step 3: Cross multiply
    38,411,275.60x = 53,006,817.64 × 21,007,567
  4. Step 4: Simplify right side
    38,411,275.60x = 1,113,544,273,029,081.88
  5. Step 5: Solve for x
    x = 1,113,544,273,029,081.88/38,411,275.60
  6. Step 6: Final answer
    x = 28,990,036.28

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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.