Home / 28,593,718.85-39,475,535.96-21,875,411.67

Finding the Fourth Proportional to 28,593,718.85, 39,475,535.96 and 21,875,411.67

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Solution

The fourth proportional to 28,593,718.85, 39,475,535.96 and 21,875,411.67 is: 30,200,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593,718.85 : 39,475,535.96 = 21,875,411.67 : x
  2. Step 2: Convert to fraction form
    28,593,718.85/39,475,535.96 = 21,875,411.67/x
  3. Step 3: Cross multiply
    28,593,718.85x = 39,475,535.96 × 21,875,411.67
  4. Step 4: Simplify right side
    28,593,718.85x = 863,543,600,018,888.75
  5. Step 5: Solve for x
    x = 863,543,600,018,888.75/28,593,718.85
  6. Step 6: Final answer
    x = 30,200,464.81

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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.