Home / 19,316,230.40-28,974,345.60-4,940,423.30

Finding the Fourth Proportional to 19,316,230.40, 28,974,345.60 and 4,940,423.30

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Solution

The fourth proportional to 19,316,230.40, 28,974,345.60 and 4,940,423.30 is: 7,410,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,230.40 : 28,974,345.60 = 4,940,423.30 : x
  2. Step 2: Convert to fraction form
    19,316,230.40/28,974,345.60 = 4,940,423.30/x
  3. Step 3: Cross multiply
    19,316,230.40x = 28,974,345.60 × 4,940,423.30
  4. Step 4: Simplify right side
    19,316,230.40x = 143,145,532,104,492.47
  5. Step 5: Solve for x
    x = 143,145,532,104,492.47/19,316,230.40
  6. Step 6: Final answer
    x = 7,410,634.95

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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.