Home / 12,764,101.60-19,146,152.40-9,180,920.80

Finding the Fourth Proportional to 12,764,101.60, 19,146,152.40 and 9,180,920.80

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Solution

The fourth proportional to 12,764,101.60, 19,146,152.40 and 9,180,920.80 is: 13,771,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,101.60 : 19,146,152.40 = 9,180,920.80 : x
  2. Step 2: Convert to fraction form
    12,764,101.60/19,146,152.40 = 9,180,920.80/x
  3. Step 3: Cross multiply
    12,764,101.60x = 19,146,152.40 × 9,180,920.80
  4. Step 4: Simplify right side
    12,764,101.60x = 175,779,308,809,129.91
  5. Step 5: Solve for x
    x = 175,779,308,809,129.91/12,764,101.60
  6. Step 6: Final answer
    x = 13,771,381.20

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1.5x scale

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.