Home / 13,182,023.58-18,190,390.02-7,301,309.18

Finding the Fourth Proportional to 13,182,023.58, 18,190,390.02 and 7,301,309.18

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Solution

The fourth proportional to 13,182,023.58, 18,190,390.02 and 7,301,309.18 is: 10,075,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,023.58 : 18,190,390.02 = 7,301,309.18 : x
  2. Step 2: Convert to fraction form
    13,182,023.58/18,190,390.02 = 7,301,309.18/x
  3. Step 3: Cross multiply
    13,182,023.58x = 18,190,390.02 × 7,301,309.18
  4. Step 4: Simplify right side
    13,182,023.58x = 132,813,661,549,854.42
  5. Step 5: Solve for x
    x = 132,813,661,549,854.42/13,182,023.58
  6. Step 6: Final answer
    x = 10,075,362.16

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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.