Home / 12,420,566.46-17,140,206.15-6,988,045.50

Finding the Fourth Proportional to 12,420,566.46, 17,140,206.15 and 6,988,045.50

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Solution

The fourth proportional to 12,420,566.46, 17,140,206.15 and 6,988,045.50 is: 9,643,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,566.46 : 17,140,206.15 = 6,988,045.50 : x
  2. Step 2: Convert to fraction form
    12,420,566.46/17,140,206.15 = 6,988,045.50/x
  3. Step 3: Cross multiply
    12,420,566.46x = 17,140,206.15 × 6,988,045.50
  4. Step 4: Simplify right side
    12,420,566.46x = 119,776,540,455,579.81
  5. Step 5: Solve for x
    x = 119,776,540,455,579.81/12,420,566.46
  6. Step 6: Final answer
    x = 9,643,404.01

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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.