Home / 18,534,345.18-25,578,088.47-10,385,281.50

Finding the Fourth Proportional to 18,534,345.18, 25,578,088.47 and 10,385,281.50

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Solution

The fourth proportional to 18,534,345.18, 25,578,088.47 and 10,385,281.50 is: 14,332,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,345.18 : 25,578,088.47 = 10,385,281.50 : x
  2. Step 2: Convert to fraction form
    18,534,345.18/25,578,088.47 = 10,385,281.50/x
  3. Step 3: Cross multiply
    18,534,345.18x = 25,578,088.47 × 10,385,281.50
  4. Step 4: Simplify right side
    18,534,345.18x = 265,635,648,992,854.28
  5. Step 5: Solve for x
    x = 265,635,648,992,854.28/18,534,345.18
  6. Step 6: Final answer
    x = 14,332,076.28

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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.