Home / 8,065,420.40-12,078,211.08-6,011,155.10

Finding the Fourth Proportional to 8,065,420.40, 12,078,211.08 and 6,011,155.10

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Solution

The fourth proportional to 8,065,420.40, 12,078,211.08 and 6,011,155.10 is: 9,001,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,420.40 : 12,078,211.08 = 6,011,155.10 : x
  2. Step 2: Convert to fraction form
    8,065,420.40/12,078,211.08 = 6,011,155.10/x
  3. Step 3: Cross multiply
    8,065,420.40x = 12,078,211.08 × 6,011,155.10
  4. Step 4: Simplify right side
    8,065,420.40x = 72,604,000,132,418.50
  5. Step 5: Solve for x
    x = 72,604,000,132,418.50/8,065,420.40
  6. Step 6: Final answer
    x = 9,001,886.64

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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.