Home / 26,868,651.60-40,291,461.24-12,490,218.96

Finding the Fourth Proportional to 26,868,651.60, 40,291,461.24 and 12,490,218.96

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Solution

The fourth proportional to 26,868,651.60, 40,291,461.24 and 12,490,218.96 is: 18,729,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868,651.60 : 40,291,461.24 = 12,490,218.96 : x
  2. Step 2: Convert to fraction form
    26,868,651.60/40,291,461.24 = 12,490,218.96/x
  3. Step 3: Cross multiply
    26,868,651.60x = 40,291,461.24 × 12,490,218.96
  4. Step 4: Simplify right side
    26,868,651.60x = 503,249,173,105,953.19
  5. Step 5: Solve for x
    x = 503,249,173,105,953.19/26,868,651.60
  6. Step 6: Final answer
    x = 18,729,975.01

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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.