Home / 7,254,531.80-10,905,417.30-5,139,265.40

Finding the Fourth Proportional to 7,254,531.80, 10,905,417.30 and 5,139,265.40

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Solution

The fourth proportional to 7,254,531.80, 10,905,417.30 and 5,139,265.40 is: 7,725,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,531.80 : 10,905,417.30 = 5,139,265.40 : x
  2. Step 2: Convert to fraction form
    7,254,531.80/10,905,417.30 = 5,139,265.40/x
  3. Step 3: Cross multiply
    7,254,531.80x = 10,905,417.30 × 5,139,265.40
  4. Step 4: Simplify right side
    7,254,531.80x = 56,045,833,802,451.43
  5. Step 5: Solve for x
    x = 56,045,833,802,451.43/7,254,531.80
  6. Step 6: Final answer
    x = 7,725,630.73

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1.5x scale

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.