Home / 10,230,117.88-14,116,556.90-5,646,143.72

Finding the Fourth Proportional to 10,230,117.88, 14,116,556.90 and 5,646,143.72

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Solution

The fourth proportional to 10,230,117.88, 14,116,556.90 and 5,646,143.72 is: 7,791,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230,117.88 : 14,116,556.90 = 5,646,143.72 : x
  2. Step 2: Convert to fraction form
    10,230,117.88/14,116,556.90 = 5,646,143.72/x
  3. Step 3: Cross multiply
    10,230,117.88x = 14,116,556.90 × 5,646,143.72
  4. Step 4: Simplify right side
    10,230,117.88x = 79,704,109,088,957.67
  5. Step 5: Solve for x
    x = 79,704,109,088,957.67/10,230,117.88
  6. Step 6: Final answer
    x = 7,791,123.23

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1.5x scale

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.