Home / 7,508,285.75-10,369,987.94-5,089,638.71

Finding the Fourth Proportional to 7,508,285.75, 10,369,987.94 and 5,089,638.71

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Solution

The fourth proportional to 7,508,285.75, 10,369,987.94 and 5,089,638.71 is: 7,029,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508,285.75 : 10,369,987.94 = 5,089,638.71 : x
  2. Step 2: Convert to fraction form
    7,508,285.75/10,369,987.94 = 5,089,638.71/x
  3. Step 3: Cross multiply
    7,508,285.75x = 10,369,987.94 × 5,089,638.71
  4. Step 4: Simplify right side
    7,508,285.75x = 52,779,492,041,657.16
  5. Step 5: Solve for x
    x = 52,779,492,041,657.16/7,508,285.75
  6. Step 6: Final answer
    x = 7,029,499.65

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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.