Home / 13,153,206.60-19,729,809.90-8,382,047.40

Finding the Fourth Proportional to 13,153,206.60, 19,729,809.90 and 8,382,047.40

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Solution

The fourth proportional to 13,153,206.60, 19,729,809.90 and 8,382,047.40 is: 12,573,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,206.60 : 19,729,809.90 = 8,382,047.40 : x
  2. Step 2: Convert to fraction form
    13,153,206.60/19,729,809.90 = 8,382,047.40/x
  3. Step 3: Cross multiply
    13,153,206.60x = 19,729,809.90 × 8,382,047.40
  4. Step 4: Simplify right side
    13,153,206.60x = 165,376,201,774,789.25
  5. Step 5: Solve for x
    x = 165,376,201,774,789.25/13,153,206.60
  6. Step 6: Final answer
    x = 12,573,071.10

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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.