Home / 7,088,989.44-9,781,515-3,991,031.04

Finding the Fourth Proportional to 7,088,989.44, 9,781,515 and 3,991,031.04

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Solution

The fourth proportional to 7,088,989.44, 9,781,515 and 3,991,031.04 is: 5,506,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088,989.44 : 9,781,515 = 3,991,031.04 : x
  2. Step 2: Convert to fraction form
    7,088,989.44/9,781,515 = 3,991,031.04/x
  3. Step 3: Cross multiply
    7,088,989.44x = 9,781,515 × 3,991,031.04
  4. Step 4: Simplify right side
    7,088,989.44x = 39,038,329,983,225.60
  5. Step 5: Solve for x
    x = 39,038,329,983,225.60/7,088,989.44
  6. Step 6: Final answer
    x = 5,506,896.34

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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.