Home / 7,812,023.04-10,778,848.16-4,715,048.72

Finding the Fourth Proportional to 7,812,023.04, 10,778,848.16 and 4,715,048.72

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Solution

The fourth proportional to 7,812,023.04, 10,778,848.16 and 4,715,048.72 is: 6,505,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,023.04 : 10,778,848.16 = 4,715,048.72 : x
  2. Step 2: Convert to fraction form
    7,812,023.04/10,778,848.16 = 4,715,048.72/x
  3. Step 3: Cross multiply
    7,812,023.04x = 10,778,848.16 × 4,715,048.72
  4. Step 4: Simplify right side
    7,812,023.04x = 50,822,794,219,882.35
  5. Step 5: Solve for x
    x = 50,822,794,219,882.35/7,812,023.04
  6. Step 6: Final answer
    x = 6,505,714.84

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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.