Home / 14,104,818.70-21,157,228.05-13,254,513.10

Finding the Fourth Proportional to 14,104,818.70, 21,157,228.05 and 13,254,513.10

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Solution

The fourth proportional to 14,104,818.70, 21,157,228.05 and 13,254,513.10 is: 19,881,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104,818.70 : 21,157,228.05 = 13,254,513.10 : x
  2. Step 2: Convert to fraction form
    14,104,818.70/21,157,228.05 = 13,254,513.10/x
  3. Step 3: Cross multiply
    14,104,818.70x = 21,157,228.05 × 13,254,513.10
  4. Step 4: Simplify right side
    14,104,818.70x = 280,428,756,348,412.47
  5. Step 5: Solve for x
    x = 280,428,756,348,412.47/14,104,818.70
  6. Step 6: Final answer
    x = 19,881,769.65

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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.