Home / 9,720,840.30-14,581,260.45-8,161,946.70

Finding the Fourth Proportional to 9,720,840.30, 14,581,260.45 and 8,161,946.70

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Solution

The fourth proportional to 9,720,840.30, 14,581,260.45 and 8,161,946.70 is: 12,242,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,840.30 : 14,581,260.45 = 8,161,946.70 : x
  2. Step 2: Convert to fraction form
    9,720,840.30/14,581,260.45 = 8,161,946.70/x
  3. Step 3: Cross multiply
    9,720,840.30x = 14,581,260.45 × 8,161,946.70
  4. Step 4: Simplify right side
    9,720,840.30x = 119,011,470,611,718.02
  5. Step 5: Solve for x
    x = 119,011,470,611,718.02/9,720,840.30
  6. Step 6: Final answer
    x = 12,242,920.05

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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.