Home / 10,425,430.88-14,378,561.46-7,338,173.36

Finding the Fourth Proportional to 10,425,430.88, 14,378,561.46 and 7,338,173.36

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Solution

The fourth proportional to 10,425,430.88, 14,378,561.46 and 7,338,173.36 is: 10,120,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,430.88 : 14,378,561.46 = 7,338,173.36 : x
  2. Step 2: Convert to fraction form
    10,425,430.88/14,378,561.46 = 7,338,173.36/x
  3. Step 3: Cross multiply
    10,425,430.88x = 14,378,561.46 × 7,338,173.36
  4. Step 4: Simplify right side
    10,425,430.88x = 105,512,376,660,894.72
  5. Step 5: Solve for x
    x = 105,512,376,660,894.72/10,425,430.88
  6. Step 6: Final answer
    x = 10,120,672.98

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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.