Home / 22,478,762.59-31,020,785.87-12,165,484.77

Finding the Fourth Proportional to 22,478,762.59, 31,020,785.87 and 12,165,484.77

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Solution

The fourth proportional to 22,478,762.59, 31,020,785.87 and 12,165,484.77 is: 16,788,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,762.59 : 31,020,785.87 = 12,165,484.77 : x
  2. Step 2: Convert to fraction form
    22,478,762.59/31,020,785.87 = 12,165,484.77/x
  3. Step 3: Cross multiply
    22,478,762.59x = 31,020,785.87 × 12,165,484.77
  4. Step 4: Simplify right side
    22,478,762.59x = 377,382,897,994,088.75
  5. Step 5: Solve for x
    x = 377,382,897,994,088.75/22,478,762.59
  6. Step 6: Final answer
    x = 16,788,419.58

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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.