Home / 7,349,487.75-10,142,293.10-4,130,223.75

Finding the Fourth Proportional to 7,349,487.75, 10,142,293.10 and 4,130,223.75

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Solution

The fourth proportional to 7,349,487.75, 10,142,293.10 and 4,130,223.75 is: 5,699,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349,487.75 : 10,142,293.10 = 4,130,223.75 : x
  2. Step 2: Convert to fraction form
    7,349,487.75/10,142,293.10 = 4,130,223.75/x
  3. Step 3: Cross multiply
    7,349,487.75x = 10,142,293.10 × 4,130,223.75
  4. Step 4: Simplify right side
    7,349,487.75x = 41,889,939,820,430.01
  5. Step 5: Solve for x
    x = 41,889,939,820,430.01/7,349,487.75
  6. Step 6: Final answer
    x = 5,699,708.78

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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.