Home / 9,341,707.16-12,891,875.22-5,421,161.25

Finding the Fourth Proportional to 9,341,707.16, 12,891,875.22 and 5,421,161.25

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Solution

The fourth proportional to 9,341,707.16, 12,891,875.22 and 5,421,161.25 is: 7,481,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,707.16 : 12,891,875.22 = 5,421,161.25 : x
  2. Step 2: Convert to fraction form
    9,341,707.16/12,891,875.22 = 5,421,161.25/x
  3. Step 3: Cross multiply
    9,341,707.16x = 12,891,875.22 × 5,421,161.25
  4. Step 4: Simplify right side
    9,341,707.16x = 69,888,934,382,499.23
  5. Step 5: Solve for x
    x = 69,888,934,382,499.23/9,341,707.16
  6. Step 6: Final answer
    x = 7,481,387.85

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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.