Home / 22,642,689.60-31,238,940.96-14,806,788.96

Finding the Fourth Proportional to 22,642,689.60, 31,238,940.96 and 14,806,788.96

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Solution

The fourth proportional to 22,642,689.60, 31,238,940.96 and 14,806,788.96 is: 20,428,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642,689.60 : 31,238,940.96 = 14,806,788.96 : x
  2. Step 2: Convert to fraction form
    22,642,689.60/31,238,940.96 = 14,806,788.96/x
  3. Step 3: Cross multiply
    22,642,689.60x = 31,238,940.96 × 14,806,788.96
  4. Step 4: Simplify right side
    22,642,689.60x = 462,548,406,128,619.81
  5. Step 5: Solve for x
    x = 462,548,406,128,619.81/22,642,689.60
  6. Step 6: Final answer
    x = 20,428,156.47

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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.