Home / 13,355,131.14-18,430,082.16-7,553,788.02

Finding the Fourth Proportional to 13,355,131.14, 18,430,082.16 and 7,553,788.02

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Solution

The fourth proportional to 13,355,131.14, 18,430,082.16 and 7,553,788.02 is: 10,424,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,131.14 : 18,430,082.16 = 7,553,788.02 : x
  2. Step 2: Convert to fraction form
    13,355,131.14/18,430,082.16 = 7,553,788.02/x
  3. Step 3: Cross multiply
    13,355,131.14x = 18,430,082.16 × 7,553,788.02
  4. Step 4: Simplify right side
    13,355,131.14x = 139,216,933,827,823.72
  5. Step 5: Solve for x
    x = 139,216,933,827,823.72/13,355,131.14
  6. Step 6: Final answer
    x = 10,424,228.14

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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.