Home / 17,238,347.80-25,857,521.70-7,643,541.40

Finding the Fourth Proportional to 17,238,347.80, 25,857,521.70 and 7,643,541.40

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Solution

The fourth proportional to 17,238,347.80, 25,857,521.70 and 7,643,541.40 is: 11,465,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238,347.80 : 25,857,521.70 = 7,643,541.40 : x
  2. Step 2: Convert to fraction form
    17,238,347.80/25,857,521.70 = 7,643,541.40/x
  3. Step 3: Cross multiply
    17,238,347.80x = 25,857,521.70 × 7,643,541.40
  4. Step 4: Simplify right side
    17,238,347.80x = 197,643,037,615,348.38
  5. Step 5: Solve for x
    x = 197,643,037,615,348.38/17,238,347.80
  6. Step 6: Final answer
    x = 11,465,312.10

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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.