Home / 7,641,964.20-11,462,946.30-7,348,031.40

Finding the Fourth Proportional to 7,641,964.20, 11,462,946.30 and 7,348,031.40

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Solution

The fourth proportional to 7,641,964.20, 11,462,946.30 and 7,348,031.40 is: 11,022,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,964.20 : 11,462,946.30 = 7,348,031.40 : x
  2. Step 2: Convert to fraction form
    7,641,964.20/11,462,946.30 = 7,348,031.40/x
  3. Step 3: Cross multiply
    7,641,964.20x = 11,462,946.30 × 7,348,031.40
  4. Step 4: Simplify right side
    7,641,964.20x = 84,230,089,348,913.83
  5. Step 5: Solve for x
    x = 84,230,089,348,913.83/7,641,964.20
  6. Step 6: Final answer
    x = 11,022,047.10

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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.