Home / 31,931,435.66-47,909,580.43-12,767,673.20

Finding the Fourth Proportional to 31,931,435.66, 47,909,580.43 and 12,767,673.20

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Solution

The fourth proportional to 31,931,435.66, 47,909,580.43 and 12,767,673.20 is: 19,156,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931,435.66 : 47,909,580.43 = 12,767,673.20 : x
  2. Step 2: Convert to fraction form
    31,931,435.66/47,909,580.43 = 12,767,673.20/x
  3. Step 3: Cross multiply
    31,931,435.66x = 47,909,580.43 × 12,767,673.20
  4. Step 4: Simplify right side
    31,931,435.66x = 611,693,865,795,925.12
  5. Step 5: Solve for x
    x = 611,693,865,795,925.12/31,931,435.66
  6. Step 6: Final answer
    x = 19,156,478.66

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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.