Home / 31,439,574.35-43,386,168.13-17,688,505.67

Finding the Fourth Proportional to 31,439,574.35, 43,386,168.13 and 17,688,505.67

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Solution

The fourth proportional to 31,439,574.35, 43,386,168.13 and 17,688,505.67 is: 24,409,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,574.35 : 43,386,168.13 = 17,688,505.67 : x
  2. Step 2: Convert to fraction form
    31,439,574.35/43,386,168.13 = 17,688,505.67/x
  3. Step 3: Cross multiply
    31,439,574.35x = 43,386,168.13 × 17,688,505.67
  4. Step 4: Simplify right side
    31,439,574.35x = 767,436,480,967,078.38
  5. Step 5: Solve for x
    x = 767,436,480,967,078.38/31,439,574.35
  6. Step 6: Final answer
    x = 24,409,887.76

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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.