Home / 12,886,970.40-19,327,403.52-4,803,740.64

Finding the Fourth Proportional to 12,886,970.40, 19,327,403.52 and 4,803,740.64

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Solution

The fourth proportional to 12,886,970.40, 19,327,403.52 and 4,803,740.64 is: 7,204,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,970.40 : 19,327,403.52 = 4,803,740.64 : x
  2. Step 2: Convert to fraction form
    12,886,970.40/19,327,403.52 = 4,803,740.64/x
  3. Step 3: Cross multiply
    12,886,970.40x = 19,327,403.52 × 4,803,740.64
  4. Step 4: Simplify right side
    12,886,970.40x = 92,843,833,754,703.05
  5. Step 5: Solve for x
    x = 92,843,833,754,703.05/12,886,970.40
  6. Step 6: Final answer
    x = 7,204,473.27

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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.