Home / 18,514,616.76-25,547,986.86-10,674,041.40

Finding the Fourth Proportional to 18,514,616.76, 25,547,986.86 and 10,674,041.40

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Solution

The fourth proportional to 18,514,616.76, 25,547,986.86 and 10,674,041.40 is: 14,728,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,616.76 : 25,547,986.86 = 10,674,041.40 : x
  2. Step 2: Convert to fraction form
    18,514,616.76/25,547,986.86 = 10,674,041.40/x
  3. Step 3: Cross multiply
    18,514,616.76x = 25,547,986.86 × 10,674,041.40
  4. Step 4: Simplify right side
    18,514,616.76x = 272,700,269,430,296
  5. Step 5: Solve for x
    x = 272,700,269,430,296/18,514,616.76
  6. Step 6: Final answer
    x = 14,728,917.86

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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.