Home / 7,187,004-9,916,938-4,130,647.20

Finding the Fourth Proportional to 7,187,004, 9,916,938 and 4,130,647.20

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Solution

The fourth proportional to 7,187,004, 9,916,938 and 4,130,647.20 is: 5,699,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,004 : 9,916,938 = 4,130,647.20 : x
  2. Step 2: Convert to fraction form
    7,187,004/9,916,938 = 4,130,647.20/x
  3. Step 3: Cross multiply
    7,187,004x = 9,916,938 × 4,130,647.20
  4. Step 4: Simplify right side
    7,187,004x = 40,963,372,182,273.60
  5. Step 5: Solve for x
    x = 40,963,372,182,273.60/7,187,004
  6. Step 6: Final answer
    x = 5,699,645.11

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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.