Home / 12,912,740.48-17,819,364.48-7,112,062.40

Finding the Fourth Proportional to 12,912,740.48, 17,819,364.48 and 7,112,062.40

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Solution

The fourth proportional to 12,912,740.48, 17,819,364.48 and 7,112,062.40 is: 9,814,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,740.48 : 17,819,364.48 = 7,112,062.40 : x
  2. Step 2: Convert to fraction form
    12,912,740.48/17,819,364.48 = 7,112,062.40/x
  3. Step 3: Cross multiply
    12,912,740.48x = 17,819,364.48 × 7,112,062.40
  4. Step 4: Simplify right side
    12,912,740.48x = 126,732,432,110,103.56
  5. Step 5: Solve for x
    x = 126,732,432,110,103.56/12,912,740.48
  6. Step 6: Final answer
    x = 9,814,526.38

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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.