Home / 13,335,313.46-18,405,693.02-8,107,210.71

Finding the Fourth Proportional to 13,335,313.46, 18,405,693.02 and 8,107,210.71

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Solution

The fourth proportional to 13,335,313.46, 18,405,693.02 and 8,107,210.71 is: 11,189,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335,313.46 : 18,405,693.02 = 8,107,210.71 : x
  2. Step 2: Convert to fraction form
    13,335,313.46/18,405,693.02 = 8,107,210.71/x
  3. Step 3: Cross multiply
    13,335,313.46x = 18,405,693.02 × 8,107,210.71
  4. Step 4: Simplify right side
    13,335,313.46x = 149,218,831,596,984.28
  5. Step 5: Solve for x
    x = 149,218,831,596,984.28/13,335,313.46
  6. Step 6: Final answer
    x = 11,189,750.59

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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.