Home / 42,590,441.10-63,885,661.65-13,837,514.70

Finding the Fourth Proportional to 42,590,441.10, 63,885,661.65 and 13,837,514.70

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Solution

The fourth proportional to 42,590,441.10, 63,885,661.65 and 13,837,514.70 is: 20,756,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,441.10 : 63,885,661.65 = 13,837,514.70 : x
  2. Step 2: Convert to fraction form
    42,590,441.10/63,885,661.65 = 13,837,514.70/x
  3. Step 3: Cross multiply
    42,590,441.10x = 63,885,661.65 × 13,837,514.70
  4. Step 4: Simplify right side
    42,590,441.10x = 884,018,782,201,101.12
  5. Step 5: Solve for x
    x = 884,018,782,201,101.12/42,590,441.10
  6. Step 6: Final answer
    x = 20,756,272.05

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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.