Home / 14,656,941.60-20,226,700.80-8,130,998.40

Finding the Fourth Proportional to 14,656,941.60, 20,226,700.80 and 8,130,998.40

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Solution

The fourth proportional to 14,656,941.60, 20,226,700.80 and 8,130,998.40 is: 11,220,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656,941.60 : 20,226,700.80 = 8,130,998.40 : x
  2. Step 2: Convert to fraction form
    14,656,941.60/20,226,700.80 = 8,130,998.40/x
  3. Step 3: Cross multiply
    14,656,941.60x = 20,226,700.80 × 8,130,998.40
  4. Step 4: Simplify right side
    14,656,941.60x = 164,463,271,842,078.72
  5. Step 5: Solve for x
    x = 164,463,271,842,078.72/14,656,941.60
  6. Step 6: Final answer
    x = 11,220,845.13

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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.