Home / 13,357,969.40-18,434,032.85-7,246,397.90

Finding the Fourth Proportional to 13,357,969.40, 18,434,032.85 and 7,246,397.90

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Solution

The fourth proportional to 13,357,969.40, 18,434,032.85 and 7,246,397.90 is: 10,000,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,969.40 : 18,434,032.85 = 7,246,397.90 : x
  2. Step 2: Convert to fraction form
    13,357,969.40/18,434,032.85 = 7,246,397.90/x
  3. Step 3: Cross multiply
    13,357,969.40x = 18,434,032.85 × 7,246,397.90
  4. Step 4: Simplify right side
    13,357,969.40x = 133,580,336,996,972.08
  5. Step 5: Solve for x
    x = 133,580,336,996,972.08/13,357,969.40
  6. Step 6: Final answer
    x = 10,000,048.13

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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.