Home / 25,617,638.10-38,426,494.05-10,471,569.60

Finding the Fourth Proportional to 25,617,638.10, 38,426,494.05 and 10,471,569.60

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Solution

The fourth proportional to 25,617,638.10, 38,426,494.05 and 10,471,569.60 is: 15,707,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617,638.10 : 38,426,494.05 = 10,471,569.60 : x
  2. Step 2: Convert to fraction form
    25,617,638.10/38,426,494.05 = 10,471,569.60/x
  3. Step 3: Cross multiply
    25,617,638.10x = 38,426,494.05 × 10,471,569.60
  4. Step 4: Simplify right side
    25,617,638.10x = 402,385,706,928,560.81
  5. Step 5: Solve for x
    x = 402,385,706,928,560.81/25,617,638.10
  6. Step 6: Final answer
    x = 15,707,369.48

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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.