Home / 7,812,019.04-10,778,842.64-4,715,044.72

Finding the Fourth Proportional to 7,812,019.04, 10,778,842.64 and 4,715,044.72

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Solution

The fourth proportional to 7,812,019.04, 10,778,842.64 and 4,715,044.72 is: 6,505,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,019.04 : 10,778,842.64 = 4,715,044.72 : x
  2. Step 2: Convert to fraction form
    7,812,019.04/10,778,842.64 = 4,715,044.72/x
  3. Step 3: Cross multiply
    7,812,019.04x = 10,778,842.64 × 4,715,044.72
  4. Step 4: Simplify right side
    7,812,019.04x = 50,822,725,077,442.86
  5. Step 5: Solve for x
    x = 50,822,725,077,442.86/7,812,019.04
  6. Step 6: Final answer
    x = 6,505,709.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.