Home / 12,556,927.60-18,838,015.80-4,038,125.20

Finding the Fourth Proportional to 12,556,927.60, 18,838,015.80 and 4,038,125.20

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Solution

The fourth proportional to 12,556,927.60, 18,838,015.80 and 4,038,125.20 is: 6,058,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,927.60 : 18,838,015.80 = 4,038,125.20 : x
  2. Step 2: Convert to fraction form
    12,556,927.60/18,838,015.80 = 4,038,125.20/x
  3. Step 3: Cross multiply
    12,556,927.60x = 18,838,015.80 × 4,038,125.20
  4. Step 4: Simplify right side
    12,556,927.60x = 76,070,266,319,978.17
  5. Step 5: Solve for x
    x = 76,070,266,319,978.17/12,556,927.60
  6. Step 6: Final answer
    x = 6,058,031.77

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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.