Home / 18,426,309.75-25,428,235.95-10,166,886.18

Finding the Fourth Proportional to 18,426,309.75, 25,428,235.95 and 10,166,886.18

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Solution

The fourth proportional to 18,426,309.75, 25,428,235.95 and 10,166,886.18 is: 14,030,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,309.75 : 25,428,235.95 = 10,166,886.18 : x
  2. Step 2: Convert to fraction form
    18,426,309.75/25,428,235.95 = 10,166,886.18/x
  3. Step 3: Cross multiply
    18,426,309.75x = 25,428,235.95 × 10,166,886.18
  4. Step 4: Simplify right side
    18,426,309.75x = 258,525,980,661,834.16
  5. Step 5: Solve for x
    x = 258,525,980,661,834.16/18,426,309.75
  6. Step 6: Final answer
    x = 14,030,263.47

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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.