Home / 13,622,363.60-18,798,845.64-7,510,888.40

Finding the Fourth Proportional to 13,622,363.60, 18,798,845.64 and 7,510,888.40

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Solution

The fourth proportional to 13,622,363.60, 18,798,845.64 and 7,510,888.40 is: 10,365,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,363.60 : 18,798,845.64 = 7,510,888.40 : x
  2. Step 2: Convert to fraction form
    13,622,363.60/18,798,845.64 = 7,510,888.40/x
  3. Step 3: Cross multiply
    13,622,363.60x = 18,798,845.64 × 7,510,888.40
  4. Step 4: Simplify right side
    13,622,363.60x = 141,196,031,650,866.59
  5. Step 5: Solve for x
    x = 141,196,031,650,866.59/13,622,363.60
  6. Step 6: Final answer
    x = 10,365,017.10

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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.