Home / 12,303,685.40-18,458,753.70-4,730,898.20

Finding the Fourth Proportional to 12,303,685.40, 18,458,753.70 and 4,730,898.20

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Solution

The fourth proportional to 12,303,685.40, 18,458,753.70 and 4,730,898.20 is: 7,097,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,685.40 : 18,458,753.70 = 4,730,898.20 : x
  2. Step 2: Convert to fraction form
    12,303,685.40/18,458,753.70 = 4,730,898.20/x
  3. Step 3: Cross multiply
    12,303,685.40x = 18,458,753.70 × 4,730,898.20
  4. Step 4: Simplify right side
    12,303,685.40x = 87,326,484,653,573.34
  5. Step 5: Solve for x
    x = 87,326,484,653,573.34/12,303,685.40
  6. Step 6: Final answer
    x = 7,097,587.58

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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.