Home / 12,891,211.60-19,320,228.60-9,884,491.60

Finding the Fourth Proportional to 12,891,211.60, 19,320,228.60 and 9,884,491.60

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Solution

The fourth proportional to 12,891,211.60, 19,320,228.60 and 9,884,491.60 is: 14,814,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891,211.60 : 19,320,228.60 = 9,884,491.60 : x
  2. Step 2: Convert to fraction form
    12,891,211.60/19,320,228.60 = 9,884,491.60/x
  3. Step 3: Cross multiply
    12,891,211.60x = 19,320,228.60 × 9,884,491.60
  4. Step 4: Simplify right side
    12,891,211.60x = 190,970,637,306,779.78
  5. Step 5: Solve for x
    x = 190,970,637,306,779.78/12,891,211.60
  6. Step 6: Final answer
    x = 14,814,017.74

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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.