Home / 9,291,066.36-12,822,031.50-5,161,411.07

Finding the Fourth Proportional to 9,291,066.36, 12,822,031.50 and 5,161,411.07

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Solution

The fourth proportional to 9,291,066.36, 12,822,031.50 and 5,161,411.07 is: 7,122,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,066.36 : 12,822,031.50 = 5,161,411.07 : x
  2. Step 2: Convert to fraction form
    9,291,066.36/12,822,031.50 = 5,161,411.07/x
  3. Step 3: Cross multiply
    9,291,066.36x = 12,822,031.50 × 5,161,411.07
  4. Step 4: Simplify right side
    9,291,066.36x = 66,179,775,234,071.49
  5. Step 5: Solve for x
    x = 66,179,775,234,071.49/9,291,066.36
  6. Step 6: Final answer
    x = 7,122,947.21

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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.