Home / 9,362,128.18-12,920,135.90-5,232,159.20

Finding the Fourth Proportional to 9,362,128.18, 12,920,135.90 and 5,232,159.20

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Solution

The fourth proportional to 9,362,128.18, 12,920,135.90 and 5,232,159.20 is: 7,220,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,128.18 : 12,920,135.90 = 5,232,159.20 : x
  2. Step 2: Convert to fraction form
    9,362,128.18/12,920,135.90 = 5,232,159.20/x
  3. Step 3: Cross multiply
    9,362,128.18x = 12,920,135.90 × 5,232,159.20
  4. Step 4: Simplify right side
    9,362,128.18x = 67,600,207,914,435.28
  5. Step 5: Solve for x
    x = 67,600,207,914,435.28/9,362,128.18
  6. Step 6: Final answer
    x = 7,220,602.69

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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.