Home / 13,203,301.60-19,781,332.80-8,148,707.20

Finding the Fourth Proportional to 13,203,301.60, 19,781,332.80 and 8,148,707.20

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Solution

The fourth proportional to 13,203,301.60, 19,781,332.80 and 8,148,707.20 is: 12,208,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,301.60 : 19,781,332.80 = 8,148,707.20 : x
  2. Step 2: Convert to fraction form
    13,203,301.60/19,781,332.80 = 8,148,707.20/x
  3. Step 3: Cross multiply
    13,203,301.60x = 19,781,332.80 × 8,148,707.20
  4. Step 4: Simplify right side
    13,203,301.60x = 161,192,289,012,956.16
  5. Step 5: Solve for x
    x = 161,192,289,012,956.16/13,203,301.60
  6. Step 6: Final answer
    x = 12,208,483.45

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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.