Home / 20,746,886.94-31,142,244.15-11,656,752.66

Finding the Fourth Proportional to 20,746,886.94, 31,142,244.15 and 11,656,752.66

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Solution

The fourth proportional to 20,746,886.94, 31,142,244.15 and 11,656,752.66 is: 17,497,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,886.94 : 31,142,244.15 = 11,656,752.66 : x
  2. Step 2: Convert to fraction form
    20,746,886.94/31,142,244.15 = 11,656,752.66/x
  3. Step 3: Cross multiply
    20,746,886.94x = 31,142,244.15 × 11,656,752.66
  4. Step 4: Simplify right side
    20,746,886.94x = 363,017,437,333,881.94
  5. Step 5: Solve for x
    x = 363,017,437,333,881.94/20,746,886.94
  6. Step 6: Final answer
    x = 17,497,441.35

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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.