Home / 30,592,130.66-45,887,884.95-7,872,939.62

Finding the Fourth Proportional to 30,592,130.66, 45,887,884.95 and 7,872,939.62

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Solution

The fourth proportional to 30,592,130.66, 45,887,884.95 and 7,872,939.62 is: 11,809,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,130.66 : 45,887,884.95 = 7,872,939.62 : x
  2. Step 2: Convert to fraction form
    30,592,130.66/45,887,884.95 = 7,872,939.62/x
  3. Step 3: Cross multiply
    30,592,130.66x = 45,887,884.95 × 7,872,939.62
  4. Step 4: Simplify right side
    30,592,130.66x = 361,272,547,500,856.75
  5. Step 5: Solve for x
    x = 361,272,547,500,856.75/30,592,130.66
  6. Step 6: Final answer
    x = 11,809,329.38

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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.