Home / 18,720,154.38-25,834,810.97-10,460,417.17

Finding the Fourth Proportional to 18,720,154.38, 25,834,810.97 and 10,460,417.17

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Solution

The fourth proportional to 18,720,154.38, 25,834,810.97 and 10,460,417.17 is: 14,435,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,154.38 : 25,834,810.97 = 10,460,417.17 : x
  2. Step 2: Convert to fraction form
    18,720,154.38/25,834,810.97 = 10,460,417.17/x
  3. Step 3: Cross multiply
    18,720,154.38x = 25,834,810.97 × 10,460,417.17
  4. Step 4: Simplify right side
    18,720,154.38x = 270,242,900,254,292.34
  5. Step 5: Solve for x
    x = 270,242,900,254,292.34/18,720,154.38
  6. Step 6: Final answer
    x = 14,435,933.31

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1.5x scale

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.