Home / 7,239,767.04-9,990,604.80-4,020,710.40

Finding the Fourth Proportional to 7,239,767.04, 9,990,604.80 and 4,020,710.40

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Solution

The fourth proportional to 7,239,767.04, 9,990,604.80 and 4,020,710.40 is: 5,548,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,767.04 : 9,990,604.80 = 4,020,710.40 : x
  2. Step 2: Convert to fraction form
    7,239,767.04/9,990,604.80 = 4,020,710.40/x
  3. Step 3: Cross multiply
    7,239,767.04x = 9,990,604.80 × 4,020,710.40
  4. Step 4: Simplify right side
    7,239,767.04x = 40,169,328,621,649.92
  5. Step 5: Solve for x
    x = 40,169,328,621,649.92/7,239,767.04
  6. Step 6: Final answer
    x = 5,548,428.34

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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.