Home / 13,011,947.10-19,494,301.05-10,602,747.90

Finding the Fourth Proportional to 13,011,947.10, 19,494,301.05 and 10,602,747.90

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Solution

The fourth proportional to 13,011,947.10, 19,494,301.05 and 10,602,747.90 is: 15,884,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,947.10 : 19,494,301.05 = 10,602,747.90 : x
  2. Step 2: Convert to fraction form
    13,011,947.10/19,494,301.05 = 10,602,747.90/x
  3. Step 3: Cross multiply
    13,011,947.10x = 19,494,301.05 × 10,602,747.90
  4. Step 4: Simplify right side
    13,011,947.10x = 206,693,159,519,855.31
  5. Step 5: Solve for x
    x = 206,693,159,519,855.31/13,011,947.10
  6. Step 6: Final answer
    x = 15,884,875.49

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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.