Home / 7,447,421.10-11,171,131.65-2,655,266.70

Finding the Fourth Proportional to 7,447,421.10, 11,171,131.65 and 2,655,266.70

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Solution

The fourth proportional to 7,447,421.10, 11,171,131.65 and 2,655,266.70 is: 3,982,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,421.10 : 11,171,131.65 = 2,655,266.70 : x
  2. Step 2: Convert to fraction form
    7,447,421.10/11,171,131.65 = 2,655,266.70/x
  3. Step 3: Cross multiply
    7,447,421.10x = 11,171,131.65 × 2,655,266.70
  4. Step 4: Simplify right side
    7,447,421.10x = 29,662,333,871,561.06
  5. Step 5: Solve for x
    x = 29,662,333,871,561.06/7,447,421.10
  6. Step 6: Final answer
    x = 3,982,900.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.