Home / 9,893,438.40-14,819,162.40-8,213,822.40

Finding the Fourth Proportional to 9,893,438.40, 14,819,162.40 and 8,213,822.40

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Solution

The fourth proportional to 9,893,438.40, 14,819,162.40 and 8,213,822.40 is: 12,303,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893,438.40 : 14,819,162.40 = 8,213,822.40 : x
  2. Step 2: Convert to fraction form
    9,893,438.40/14,819,162.40 = 8,213,822.40/x
  3. Step 3: Cross multiply
    9,893,438.40x = 14,819,162.40 × 8,213,822.40
  4. Step 4: Simplify right side
    9,893,438.40x = 121,721,968,070,357.77
  5. Step 5: Solve for x
    x = 121,721,968,070,357.77/9,893,438.40
  6. Step 6: Final answer
    x = 12,303,302.77

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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.