Home / 19,853,788.59-29,689,256.55-18,885,236.76

Finding the Fourth Proportional to 19,853,788.59, 29,689,256.55 and 18,885,236.76

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Solution

The fourth proportional to 19,853,788.59, 29,689,256.55 and 18,885,236.76 is: 28,240,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853,788.59 : 29,689,256.55 = 18,885,236.76 : x
  2. Step 2: Convert to fraction form
    19,853,788.59/29,689,256.55 = 18,885,236.76/x
  3. Step 3: Cross multiply
    19,853,788.59x = 29,689,256.55 × 18,885,236.76
  4. Step 4: Simplify right side
    19,853,788.59x = 560,688,639,175,130.81
  5. Step 5: Solve for x
    x = 560,688,639,175,130.81/19,853,788.59
  6. Step 6: Final answer
    x = 28,240,888.97

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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.