Home / 10,425,417.88-14,378,543.56-7,338,160.32

Finding the Fourth Proportional to 10,425,417.88, 14,378,543.56 and 7,338,160.32

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Solution

The fourth proportional to 10,425,417.88, 14,378,543.56 and 7,338,160.32 is: 10,120,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,417.88 : 14,378,543.56 = 7,338,160.32 : x
  2. Step 2: Convert to fraction form
    10,425,417.88/14,378,543.56 = 7,338,160.32/x
  3. Step 3: Cross multiply
    10,425,417.88x = 14,378,543.56 × 7,338,160.32
  4. Step 4: Simplify right side
    10,425,417.88x = 105,512,057,811,383.55
  5. Step 5: Solve for x
    x = 105,512,057,811,383.55/10,425,417.88
  6. Step 6: Final answer
    x = 10,120,655.02

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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.