Home / 8,403,089.40-12,604,634.10-7,340,207.40

Finding the Fourth Proportional to 8,403,089.40, 12,604,634.10 and 7,340,207.40

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Solution

The fourth proportional to 8,403,089.40, 12,604,634.10 and 7,340,207.40 is: 11,010,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,089.40 : 12,604,634.10 = 7,340,207.40 : x
  2. Step 2: Convert to fraction form
    8,403,089.40/12,604,634.10 = 7,340,207.40/x
  3. Step 3: Cross multiply
    8,403,089.40x = 12,604,634.10 × 7,340,207.40
  4. Step 4: Simplify right side
    8,403,089.40x = 92,520,628,495,112.34
  5. Step 5: Solve for x
    x = 92,520,628,495,112.34/8,403,089.40
  6. Step 6: Final answer
    x = 11,010,311.10

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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.