Home / 28,886,291.81-43,329,435.08-12,712,243.07

Finding the Fourth Proportional to 28,886,291.81, 43,329,435.08 and 12,712,243.07

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Solution

The fourth proportional to 28,886,291.81, 43,329,435.08 and 12,712,243.07 is: 19,068,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,291.81 : 43,329,435.08 = 12,712,243.07 : x
  2. Step 2: Convert to fraction form
    28,886,291.81/43,329,435.08 = 12,712,243.07/x
  3. Step 3: Cross multiply
    28,886,291.81x = 43,329,435.08 × 12,712,243.07
  4. Step 4: Simplify right side
    28,886,291.81x = 550,814,310,542,536.50
  5. Step 5: Solve for x
    x = 550,814,310,542,536.50/28,886,291.81
  6. Step 6: Final answer
    x = 19,068,363.44

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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.