Home / 8,020,428.70-12,030,643.05-6,228,838.30

Finding the Fourth Proportional to 8,020,428.70, 12,030,643.05 and 6,228,838.30

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Solution

The fourth proportional to 8,020,428.70, 12,030,643.05 and 6,228,838.30 is: 9,343,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,428.70 : 12,030,643.05 = 6,228,838.30 : x
  2. Step 2: Convert to fraction form
    8,020,428.70/12,030,643.05 = 6,228,838.30/x
  3. Step 3: Cross multiply
    8,020,428.70x = 12,030,643.05 × 6,228,838.30
  4. Step 4: Simplify right side
    8,020,428.70x = 74,936,930,203,468.81
  5. Step 5: Solve for x
    x = 74,936,930,203,468.81/8,020,428.70
  6. Step 6: Final answer
    x = 9,343,257.45

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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.