Home / 12,468,047.60-18,702,071.40-10,484,001.20

Finding the Fourth Proportional to 12,468,047.60, 18,702,071.40 and 10,484,001.20

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Solution

The fourth proportional to 12,468,047.60, 18,702,071.40 and 10,484,001.20 is: 15,726,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,047.60 : 18,702,071.40 = 10,484,001.20 : x
  2. Step 2: Convert to fraction form
    12,468,047.60/18,702,071.40 = 10,484,001.20/x
  3. Step 3: Cross multiply
    12,468,047.60x = 18,702,071.40 × 10,484,001.20
  4. Step 4: Simplify right side
    12,468,047.60x = 196,072,539,000,085.66
  5. Step 5: Solve for x
    x = 196,072,539,000,085.66/12,468,047.60
  6. Step 6: Final answer
    x = 15,726,001.80

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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.