Home / 31,547,908.53-47,324,256.41-8,518,507.90

Finding the Fourth Proportional to 31,547,908.53, 47,324,256.41 and 8,518,507.90

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Solution

The fourth proportional to 31,547,908.53, 47,324,256.41 and 8,518,507.90 is: 12,778,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547,908.53 : 47,324,256.41 = 8,518,507.90 : x
  2. Step 2: Convert to fraction form
    31,547,908.53/47,324,256.41 = 8,518,507.90/x
  3. Step 3: Cross multiply
    31,547,908.53x = 47,324,256.41 × 8,518,507.90
  4. Step 4: Simplify right side
    31,547,908.53x = 403,132,052,090,210.62
  5. Step 5: Solve for x
    x = 403,132,052,090,210.62/31,547,908.53
  6. Step 6: Final answer
    x = 12,778,408.17

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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.