Home / 46,686,143.91-70,016,992.11-13,887,875.82

Finding the Fourth Proportional to 46,686,143.91, 70,016,992.11 and 13,887,875.82

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Solution

The fourth proportional to 46,686,143.91, 70,016,992.11 and 13,887,875.82 is: 20,828,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,686,143.91 : 70,016,992.11 = 13,887,875.82 : x
  2. Step 2: Convert to fraction form
    46,686,143.91/70,016,992.11 = 13,887,875.82/x
  3. Step 3: Cross multiply
    46,686,143.91x = 70,016,992.11 × 13,887,875.82
  4. Step 4: Simplify right side
    46,686,143.91x = 972,387,291,713,599.75
  5. Step 5: Solve for x
    x = 972,387,291,713,599.75/46,686,143.91
  6. Step 6: Final answer
    x = 20,828,177.49

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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.