Home / 19,191,966.90-28,773,953.55-7,826,565.30

Finding the Fourth Proportional to 19,191,966.90, 28,773,953.55 and 7,826,565.30

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Solution

The fourth proportional to 19,191,966.90, 28,773,953.55 and 7,826,565.30 is: 11,734,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,966.90 : 28,773,953.55 = 7,826,565.30 : x
  2. Step 2: Convert to fraction form
    19,191,966.90/28,773,953.55 = 7,826,565.30/x
  3. Step 3: Cross multiply
    19,191,966.90x = 28,773,953.55 × 7,826,565.30
  4. Step 4: Simplify right side
    19,191,966.90x = 225,201,226,398,241.81
  5. Step 5: Solve for x
    x = 225,201,226,398,241.81/19,191,966.90
  6. Step 6: Final answer
    x = 11,734,140.00

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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.