Home / 28,243,727.10-42,365,590.65-7,773,407.10

Finding the Fourth Proportional to 28,243,727.10, 42,365,590.65 and 7,773,407.10

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Solution

The fourth proportional to 28,243,727.10, 42,365,590.65 and 7,773,407.10 is: 11,660,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,727.10 : 42,365,590.65 = 7,773,407.10 : x
  2. Step 2: Convert to fraction form
    28,243,727.10/42,365,590.65 = 7,773,407.10/x
  3. Step 3: Cross multiply
    28,243,727.10x = 42,365,590.65 × 7,773,407.10
  4. Step 4: Simplify right side
    28,243,727.10x = 329,324,983,154,403.56
  5. Step 5: Solve for x
    x = 329,324,983,154,403.56/28,243,727.10
  6. Step 6: Final answer
    x = 11,660,110.65

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1.5x scale

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.