Home / 16,785,351.20-25,196,689.20-10,402,810.40

Finding the Fourth Proportional to 16,785,351.20, 25,196,689.20 and 10,402,810.40

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Solution

The fourth proportional to 16,785,351.20, 25,196,689.20 and 10,402,810.40 is: 15,615,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785,351.20 : 25,196,689.20 = 10,402,810.40 : x
  2. Step 2: Convert to fraction form
    16,785,351.20/25,196,689.20 = 10,402,810.40/x
  3. Step 3: Cross multiply
    16,785,351.20x = 25,196,689.20 × 10,402,810.40
  4. Step 4: Simplify right side
    16,785,351.20x = 262,116,380,455,327.69
  5. Step 5: Solve for x
    x = 262,116,380,455,327.69/16,785,351.20
  6. Step 6: Final answer
    x = 15,615,781.72

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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.