Home / 15,566,773.95-21,482,189.69-8,691,502.05

Finding the Fourth Proportional to 15,566,773.95, 21,482,189.69 and 8,691,502.05

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Solution

The fourth proportional to 15,566,773.95, 21,482,189.69 and 8,691,502.05 is: 11,994,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566,773.95 : 21,482,189.69 = 8,691,502.05 : x
  2. Step 2: Convert to fraction form
    15,566,773.95/21,482,189.69 = 8,691,502.05/x
  3. Step 3: Cross multiply
    15,566,773.95x = 21,482,189.69 × 8,691,502.05
  4. Step 4: Simplify right side
    15,566,773.95x = 186,712,495,685,666.34
  5. Step 5: Solve for x
    x = 186,712,495,685,666.34/15,566,773.95
  6. Step 6: Final answer
    x = 11,994,296.07

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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.