Home / 13,818,670.95-20,730,663.23-5,298,342.96

Finding the Fourth Proportional to 13,818,670.95, 20,730,663.23 and 5,298,342.96

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Solution

The fourth proportional to 13,818,670.95, 20,730,663.23 and 5,298,342.96 is: 7,948,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,670.95 : 20,730,663.23 = 5,298,342.96 : x
  2. Step 2: Convert to fraction form
    13,818,670.95/20,730,663.23 = 5,298,342.96/x
  3. Step 3: Cross multiply
    13,818,670.95x = 20,730,663.23 × 5,298,342.96
  4. Step 4: Simplify right side
    13,818,670.95x = 109,838,163,661,852.81
  5. Step 5: Solve for x
    x = 109,838,163,661,852.81/13,818,670.95
  6. Step 6: Final answer
    x = 7,948,533.11

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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.