Home / 10,134,894.12-13,985,981.10-5,488,641.45

Finding the Fourth Proportional to 10,134,894.12, 13,985,981.10 and 5,488,641.45

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Solution

The fourth proportional to 10,134,894.12, 13,985,981.10 and 5,488,641.45 is: 7,574,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,894.12 : 13,985,981.10 = 5,488,641.45 : x
  2. Step 2: Convert to fraction form
    10,134,894.12/13,985,981.10 = 5,488,641.45/x
  3. Step 3: Cross multiply
    10,134,894.12x = 13,985,981.10 × 5,488,641.45
  4. Step 4: Simplify right side
    10,134,894.12x = 76,764,035,584,376.59
  5. Step 5: Solve for x
    x = 76,764,035,584,376.59/10,134,894.12
  6. Step 6: Final answer
    x = 7,574,231.63

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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.