Home / 18,547,018.48-27,785,412.50-12,380,406.08

Finding the Fourth Proportional to 18,547,018.48, 27,785,412.50 and 12,380,406.08

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Solution

The fourth proportional to 18,547,018.48, 27,785,412.50 and 12,380,406.08 is: 18,547,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,018.48 : 27,785,412.50 = 12,380,406.08 : x
  2. Step 2: Convert to fraction form
    18,547,018.48/27,785,412.50 = 12,380,406.08/x
  3. Step 3: Cross multiply
    18,547,018.48x = 27,785,412.50 × 12,380,406.08
  4. Step 4: Simplify right side
    18,547,018.48x = 343,994,689,850,308
  5. Step 5: Solve for x
    x = 343,994,689,850,308/18,547,018.48
  6. Step 6: Final answer
    x = 18,547,169.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.