Home / 18,326,780.79-25,289,451.74-10,066,416.18

Finding the Fourth Proportional to 18,326,780.79, 25,289,451.74 and 10,066,416.18

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Solution

The fourth proportional to 18,326,780.79, 25,289,451.74 and 10,066,416.18 is: 13,890,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,780.79 : 25,289,451.74 = 10,066,416.18 : x
  2. Step 2: Convert to fraction form
    18,326,780.79/25,289,451.74 = 10,066,416.18/x
  3. Step 3: Cross multiply
    18,326,780.79x = 25,289,451.74 × 10,066,416.18
  4. Step 4: Simplify right side
    18,326,780.79x = 254,574,146,178,865.12
  5. Step 5: Solve for x
    x = 254,574,146,178,865.12/18,326,780.79
  6. Step 6: Final answer
    x = 13,890,827.26

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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.