Home / 12,798,537.60-19,197,806.40-9,397,315.20

Finding the Fourth Proportional to 12,798,537.60, 19,197,806.40 and 9,397,315.20

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Solution

The fourth proportional to 12,798,537.60, 19,197,806.40 and 9,397,315.20 is: 14,095,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,537.60 : 19,197,806.40 = 9,397,315.20 : x
  2. Step 2: Convert to fraction form
    12,798,537.60/19,197,806.40 = 9,397,315.20/x
  3. Step 3: Cross multiply
    12,798,537.60x = 19,197,806.40 × 9,397,315.20
  4. Step 4: Simplify right side
    12,798,537.60x = 180,407,837,889,377.25
  5. Step 5: Solve for x
    x = 180,407,837,889,377.25/12,798,537.60
  6. Step 6: Final answer
    x = 14,095,972.80

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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.