Home / 30,592,126.16-45,887,878.20-7,872,935.12

Finding the Fourth Proportional to 30,592,126.16, 45,887,878.20 and 7,872,935.12

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Solution

The fourth proportional to 30,592,126.16, 45,887,878.20 and 7,872,935.12 is: 11,809,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,126.16 : 45,887,878.20 = 7,872,935.12 : x
  2. Step 2: Convert to fraction form
    30,592,126.16/45,887,878.20 = 7,872,935.12/x
  3. Step 3: Cross multiply
    30,592,126.16x = 45,887,878.20 × 7,872,935.12
  4. Step 4: Simplify right side
    30,592,126.16x = 361,272,287,863,062.44
  5. Step 5: Solve for x
    x = 361,272,287,863,062.44/30,592,126.16
  6. Step 6: Final answer
    x = 11,809,322.63

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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.