Home / 15,298,614.60-21,105,762.24-9,102,422.40

Finding the Fourth Proportional to 15,298,614.60, 21,105,762.24 and 9,102,422.40

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Solution

The fourth proportional to 15,298,614.60, 21,105,762.24 and 9,102,422.40 is: 12,557,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298,614.60 : 21,105,762.24 = 9,102,422.40 : x
  2. Step 2: Convert to fraction form
    15,298,614.60/21,105,762.24 = 9,102,422.40/x
  3. Step 3: Cross multiply
    15,298,614.60x = 21,105,762.24 × 9,102,422.40
  4. Step 4: Simplify right side
    15,298,614.60x = 192,113,562,982,450.16
  5. Step 5: Solve for x
    x = 192,113,562,982,450.16/15,298,614.60
  6. Step 6: Final answer
    x = 12,557,579.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.