Home / 9,226,905-12,730,571.94-5,306,447.40

Finding the Fourth Proportional to 9,226,905, 12,730,571.94 and 5,306,447.40

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Solution

The fourth proportional to 9,226,905, 12,730,571.94 and 5,306,447.40 is: 7,321,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226,905 : 12,730,571.94 = 5,306,447.40 : x
  2. Step 2: Convert to fraction form
    9,226,905/12,730,571.94 = 5,306,447.40/x
  3. Step 3: Cross multiply
    9,226,905x = 12,730,571.94 × 5,306,447.40
  4. Step 4: Simplify right side
    9,226,905x = 67,554,110,371,525.96
  5. Step 5: Solve for x
    x = 67,554,110,371,525.96/9,226,905
  6. Step 6: Final answer
    x = 7,321,426.89

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1.5x scale

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.