Home / 11,071,478.56-15,265,065.92-9,104,482.72

Finding the Fourth Proportional to 11,071,478.56, 15,265,065.92 and 9,104,482.72

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Solution

The fourth proportional to 11,071,478.56, 15,265,065.92 and 9,104,482.72 is: 12,553,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,478.56 : 15,265,065.92 = 9,104,482.72 : x
  2. Step 2: Convert to fraction form
    11,071,478.56/15,265,065.92 = 9,104,482.72/x
  3. Step 3: Cross multiply
    11,071,478.56x = 15,265,065.92 × 9,104,482.72
  4. Step 4: Simplify right side
    11,071,478.56x = 138,980,528,888,300.91
  5. Step 5: Solve for x
    x = 138,980,528,888,300.91/11,071,478.56
  6. Step 6: Final answer
    x = 12,553,023.35

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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.