Home / 6,912,386.40-10,363,395.60-3,549,007.20

Finding the Fourth Proportional to 6,912,386.40, 10,363,395.60 and 3,549,007.20

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Solution

The fourth proportional to 6,912,386.40, 10,363,395.60 and 3,549,007.20 is: 5,320,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,386.40 : 10,363,395.60 = 3,549,007.20 : x
  2. Step 2: Convert to fraction form
    6,912,386.40/10,363,395.60 = 3,549,007.20/x
  3. Step 3: Cross multiply
    6,912,386.40x = 10,363,395.60 × 3,549,007.20
  4. Step 4: Simplify right side
    6,912,386.40x = 36,779,765,600,848.32
  5. Step 5: Solve for x
    x = 36,779,765,600,848.32/6,912,386.40
  6. Step 6: Final answer
    x = 5,320,849.19

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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.