Home / 20,684,781.60-31,027,088.64-6,307,807.77

Finding the Fourth Proportional to 20,684,781.60, 31,027,088.64 and 6,307,807.77

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Solution

The fourth proportional to 20,684,781.60, 31,027,088.64 and 6,307,807.77 is: 9,461,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,781.60 : 31,027,088.64 = 6,307,807.77 : x
  2. Step 2: Convert to fraction form
    20,684,781.60/31,027,088.64 = 6,307,807.77/x
  3. Step 3: Cross multiply
    20,684,781.60x = 31,027,088.64 × 6,307,807.77
  4. Step 4: Simplify right side
    20,684,781.60x = 195,712,910,803,870.72
  5. Step 5: Solve for x
    x = 195,712,910,803,870.72/20,684,781.60
  6. Step 6: Final answer
    x = 9,461,686.11

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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.