Home / 9,341,820.40-12,891,720.18-5,211,852.19

Finding the Fourth Proportional to 9,341,820.40, 12,891,720.18 and 5,211,852.19

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Solution

The fourth proportional to 9,341,820.40, 12,891,720.18 and 5,211,852.19 is: 7,192,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,820.40 : 12,891,720.18 = 5,211,852.19 : x
  2. Step 2: Convert to fraction form
    9,341,820.40/12,891,720.18 = 5,211,852.19/x
  3. Step 3: Cross multiply
    9,341,820.40x = 12,891,720.18 × 5,211,852.19
  4. Step 4: Simplify right side
    9,341,820.40x = 67,189,739,988,541.59
  5. Step 5: Solve for x
    x = 67,189,739,988,541.59/9,341,820.40
  6. Step 6: Final answer
    x = 7,192,360.49

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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.