Home / 9,000,890.24-12,421,259.89-4,870,920.34

Finding the Fourth Proportional to 9,000,890.24, 12,421,259.89 and 4,870,920.34

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Solution

The fourth proportional to 9,000,890.24, 12,421,259.89 and 4,870,920.34 is: 6,721,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,890.24 : 12,421,259.89 = 4,870,920.34 : x
  2. Step 2: Convert to fraction form
    9,000,890.24/12,421,259.89 = 4,870,920.34/x
  3. Step 3: Cross multiply
    9,000,890.24x = 12,421,259.89 × 4,870,920.34
  4. Step 4: Simplify right side
    9,000,890.24x = 60,502,967,449,976.43
  5. Step 5: Solve for x
    x = 60,502,967,449,976.43/9,000,890.24
  6. Step 6: Final answer
    x = 6,721,887.04

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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.