Home / 12,944,045.60-19,423,066.80-5,756,688.80

Finding the Fourth Proportional to 12,944,045.60, 19,423,066.80 and 5,756,688.80

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Solution

The fourth proportional to 12,944,045.60, 19,423,066.80 and 5,756,688.80 is: 8,638,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,045.60 : 19,423,066.80 = 5,756,688.80 : x
  2. Step 2: Convert to fraction form
    12,944,045.60/19,423,066.80 = 5,756,688.80/x
  3. Step 3: Cross multiply
    12,944,045.60x = 19,423,066.80 × 5,756,688.80
  4. Step 4: Simplify right side
    12,944,045.60x = 111,812,551,109,211.84
  5. Step 5: Solve for x
    x = 111,812,551,109,211.84/12,944,045.60
  6. Step 6: Final answer
    x = 8,638,145.64

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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.