Home / 30,011,590.66-41,400,019.32-18,254,454.98

Finding the Fourth Proportional to 30,011,590.66, 41,400,019.32 and 18,254,454.98

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Solution

The fourth proportional to 30,011,590.66, 41,400,019.32 and 18,254,454.98 is: 25,181,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011,590.66 : 41,400,019.32 = 18,254,454.98 : x
  2. Step 2: Convert to fraction form
    30,011,590.66/41,400,019.32 = 18,254,454.98/x
  3. Step 3: Cross multiply
    30,011,590.66x = 41,400,019.32 × 18,254,454.98
  4. Step 4: Simplify right side
    30,011,590.66x = 755,734,788,951,570.38
  5. Step 5: Solve for x
    x = 755,734,788,951,570.38/30,011,590.66
  6. Step 6: Final answer
    x = 25,181,430.65

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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.