Home / 31,186,300.11-46,742,713.55-12,730,719.15

Finding the Fourth Proportional to 31,186,300.11, 46,742,713.55 and 12,730,719.15

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Solution

The fourth proportional to 31,186,300.11, 46,742,713.55 and 12,730,719.15 is: 19,081,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186,300.11 : 46,742,713.55 = 12,730,719.15 : x
  2. Step 2: Convert to fraction form
    31,186,300.11/46,742,713.55 = 12,730,719.15/x
  3. Step 3: Cross multiply
    31,186,300.11x = 46,742,713.55 × 12,730,719.15
  4. Step 4: Simplify right side
    31,186,300.11x = 595,068,358,450,295.88
  5. Step 5: Solve for x
    x = 595,068,358,450,295.88/31,186,300.11
  6. Step 6: Final answer
    x = 19,081,082.28

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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.