Home / 9,854,429.20-14,781,643.80-7,146,048.40

Finding the Fourth Proportional to 9,854,429.20, 14,781,643.80 and 7,146,048.40

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Solution

The fourth proportional to 9,854,429.20, 14,781,643.80 and 7,146,048.40 is: 10,719,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854,429.20 : 14,781,643.80 = 7,146,048.40 : x
  2. Step 2: Convert to fraction form
    9,854,429.20/14,781,643.80 = 7,146,048.40/x
  3. Step 3: Cross multiply
    9,854,429.20x = 14,781,643.80 × 7,146,048.40
  4. Step 4: Simplify right side
    9,854,429.20x = 105,630,342,026,359.94
  5. Step 5: Solve for x
    x = 105,630,342,026,359.94/9,854,429.20
  6. Step 6: Final answer
    x = 10,719,072.60

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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.