Home / 10,352,479.70-15,528,719.55-2,780,210.90

Finding the Fourth Proportional to 10,352,479.70, 15,528,719.55 and 2,780,210.90

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Solution

The fourth proportional to 10,352,479.70, 15,528,719.55 and 2,780,210.90 is: 4,170,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,479.70 : 15,528,719.55 = 2,780,210.90 : x
  2. Step 2: Convert to fraction form
    10,352,479.70/15,528,719.55 = 2,780,210.90/x
  3. Step 3: Cross multiply
    10,352,479.70x = 15,528,719.55 × 2,780,210.90
  4. Step 4: Simplify right side
    10,352,479.70x = 43,173,115,355,953.09
  5. Step 5: Solve for x
    x = 43,173,115,355,953.09/10,352,479.70
  6. Step 6: Final answer
    x = 4,170,316.35

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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.