Home / 30,391,645.15-42,011,154.50-27,116,401.26

Finding the Fourth Proportional to 30,391,645.15, 42,011,154.50 and 27,116,401.26

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Solution

The fourth proportional to 30,391,645.15, 42,011,154.50 and 27,116,401.26 is: 37,483,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391,645.15 : 42,011,154.50 = 27,116,401.26 : x
  2. Step 2: Convert to fraction form
    30,391,645.15/42,011,154.50 = 27,116,401.26/x
  3. Step 3: Cross multiply
    30,391,645.15x = 42,011,154.50 × 27,116,401.26
  4. Step 4: Simplify right side
    30,391,645.15x = 1,139,191,322,817,854.75
  5. Step 5: Solve for x
    x = 1,139,191,322,817,854.75/30,391,645.15
  6. Step 6: Final answer
    x = 37,483,700.44

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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.