Home / 13,281,315.40-19,921,973.10-6,548,854.60

Finding the Fourth Proportional to 13,281,315.40, 19,921,973.10 and 6,548,854.60

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Solution

The fourth proportional to 13,281,315.40, 19,921,973.10 and 6,548,854.60 is: 9,823,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,315.40 : 19,921,973.10 = 6,548,854.60 : x
  2. Step 2: Convert to fraction form
    13,281,315.40/19,921,973.10 = 6,548,854.60/x
  3. Step 3: Cross multiply
    13,281,315.40x = 19,921,973.10 × 6,548,854.60
  4. Step 4: Simplify right side
    13,281,315.40x = 130,466,105,177,011.27
  5. Step 5: Solve for x
    x = 130,466,105,177,011.27/13,281,315.40
  6. Step 6: Final answer
    x = 9,823,281.90

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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.