Home / 28,211,403.20-42,407,306.40-26,214,526.40

Finding the Fourth Proportional to 28,211,403.20, 42,407,306.40 and 26,214,526.40

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Solution

The fourth proportional to 28,211,403.20, 42,407,306.40 and 26,214,526.40 is: 39,405,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211,403.20 : 42,407,306.40 = 26,214,526.40 : x
  2. Step 2: Convert to fraction form
    28,211,403.20/42,407,306.40 = 26,214,526.40/x
  3. Step 3: Cross multiply
    28,211,403.20x = 42,407,306.40 × 26,214,526.40
  4. Step 4: Simplify right side
    28,211,403.20x = 1,111,687,453,175,688.88
  5. Step 5: Solve for x
    x = 1,111,687,453,175,688.88/28,211,403.20
  6. Step 6: Final answer
    x = 39,405,606.50

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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.