Home / 13,338,484.65-18,400,008.47-8,113,091.02

Finding the Fourth Proportional to 13,338,484.65, 18,400,008.47 and 8,113,091.02

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Solution

The fourth proportional to 13,338,484.65, 18,400,008.47 and 8,113,091.02 is: 11,191,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,484.65 : 18,400,008.47 = 8,113,091.02 : x
  2. Step 2: Convert to fraction form
    13,338,484.65/18,400,008.47 = 8,113,091.02/x
  3. Step 3: Cross multiply
    13,338,484.65x = 18,400,008.47 × 8,113,091.02
  4. Step 4: Simplify right side
    13,338,484.65x = 149,280,943,506,163.66
  5. Step 5: Solve for x
    x = 149,280,943,506,163.66/13,338,484.65
  6. Step 6: Final answer
    x = 11,191,746.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.