Home / 11,185,437.80-15,434,110.56-6,290,644.76

Finding the Fourth Proportional to 11,185,437.80, 15,434,110.56 and 6,290,644.76

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Solution

The fourth proportional to 11,185,437.80, 15,434,110.56 and 6,290,644.76 is: 8,680,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185,437.80 : 15,434,110.56 = 6,290,644.76 : x
  2. Step 2: Convert to fraction form
    11,185,437.80/15,434,110.56 = 6,290,644.76/x
  3. Step 3: Cross multiply
    11,185,437.80x = 15,434,110.56 × 6,290,644.76
  4. Step 4: Simplify right side
    11,185,437.80x = 97,090,506,719,524.67
  5. Step 5: Solve for x
    x = 97,090,506,719,524.67/11,185,437.80
  6. Step 6: Final answer
    x = 8,680,081.05

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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.