Home / 11,877,756.90-16,391,349.46-6,445,248.90

Finding the Fourth Proportional to 11,877,756.90, 16,391,349.46 and 6,445,248.90

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Solution

The fourth proportional to 11,877,756.90, 16,391,349.46 and 6,445,248.90 is: 8,894,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,756.90 : 16,391,349.46 = 6,445,248.90 : x
  2. Step 2: Convert to fraction form
    11,877,756.90/16,391,349.46 = 6,445,248.90/x
  3. Step 3: Cross multiply
    11,877,756.90x = 16,391,349.46 × 6,445,248.90
  4. Step 4: Simplify right side
    11,877,756.90x = 105,646,327,076,580.61
  5. Step 5: Solve for x
    x = 105,646,327,076,580.61/11,877,756.90
  6. Step 6: Final answer
    x = 8,894,467.87

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1.5x scale

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.