Home / 9,186,438.10-13,779,657.15-3,128,010.70

Finding the Fourth Proportional to 9,186,438.10, 13,779,657.15 and 3,128,010.70

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Solution

The fourth proportional to 9,186,438.10, 13,779,657.15 and 3,128,010.70 is: 4,692,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186,438.10 : 13,779,657.15 = 3,128,010.70 : x
  2. Step 2: Convert to fraction form
    9,186,438.10/13,779,657.15 = 3,128,010.70/x
  3. Step 3: Cross multiply
    9,186,438.10x = 13,779,657.15 × 3,128,010.70
  4. Step 4: Simplify right side
    9,186,438.10x = 43,102,915,007,531.51
  5. Step 5: Solve for x
    x = 43,102,915,007,531.51/9,186,438.10
  6. Step 6: Final answer
    x = 4,692,016.05

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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.