Home / 13,386,296.53-18,466,290.52-8,742,799.81

Finding the Fourth Proportional to 13,386,296.53, 18,466,290.52 and 8,742,799.81

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Solution

The fourth proportional to 13,386,296.53, 18,466,290.52 and 8,742,799.81 is: 12,060,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,296.53 : 18,466,290.52 = 8,742,799.81 : x
  2. Step 2: Convert to fraction form
    13,386,296.53/18,466,290.52 = 8,742,799.81/x
  3. Step 3: Cross multiply
    13,386,296.53x = 18,466,290.52 × 8,742,799.81
  4. Step 4: Simplify right side
    13,386,296.53x = 161,447,081,249,660.81
  5. Step 5: Solve for x
    x = 161,447,081,249,660.81/13,386,296.53
  6. Step 6: Final answer
    x = 12,060,623.41

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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.