Home / 43,290,855.60-64,934,708.44-12,997,931.28

Finding the Fourth Proportional to 43,290,855.60, 64,934,708.44 and 12,997,931.28

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Solution

The fourth proportional to 43,290,855.60, 64,934,708.44 and 12,997,931.28 is: 19,496,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,855.60 : 64,934,708.44 = 12,997,931.28 : x
  2. Step 2: Convert to fraction form
    43,290,855.60/64,934,708.44 = 12,997,931.28/x
  3. Step 3: Cross multiply
    43,290,855.60x = 64,934,708.44 × 12,997,931.28
  4. Step 4: Simplify right side
    43,290,855.60x = 844,016,877,989,955.88
  5. Step 5: Solve for x
    x = 844,016,877,989,955.88/43,290,855.60
  6. Step 6: Final answer
    x = 19,496,424.04

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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.