Home / 19,246,435.20-28,877,025.60-18,944,150.40

Finding the Fourth Proportional to 19,246,435.20, 28,877,025.60 and 18,944,150.40

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Solution

The fourth proportional to 19,246,435.20, 28,877,025.60 and 18,944,150.40 is: 28,423,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246,435.20 : 28,877,025.60 = 18,944,150.40 : x
  2. Step 2: Convert to fraction form
    19,246,435.20/28,877,025.60 = 18,944,150.40/x
  3. Step 3: Cross multiply
    19,246,435.20x = 28,877,025.60 × 18,944,150.40
  4. Step 4: Simplify right side
    19,246,435.20x = 547,050,716,071,050.25
  5. Step 5: Solve for x
    x = 547,050,716,071,050.25/19,246,435.20
  6. Step 6: Final answer
    x = 28,423,482.60

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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.