Home / 19,251,739.40-28,877,609.10-7,888,411.40

Finding the Fourth Proportional to 19,251,739.40, 28,877,609.10 and 7,888,411.40

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Solution

The fourth proportional to 19,251,739.40, 28,877,609.10 and 7,888,411.40 is: 11,832,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,739.40 : 28,877,609.10 = 7,888,411.40 : x
  2. Step 2: Convert to fraction form
    19,251,739.40/28,877,609.10 = 7,888,411.40/x
  3. Step 3: Cross multiply
    19,251,739.40x = 28,877,609.10 × 7,888,411.40
  4. Step 4: Simplify right side
    19,251,739.40x = 227,798,460,829,183.75
  5. Step 5: Solve for x
    x = 227,798,460,829,183.75/19,251,739.40
  6. Step 6: Final answer
    x = 11,832,617.10

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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.