Home / 27,931,983.35-41,870,801.54-13,355,114.40

Finding the Fourth Proportional to 27,931,983.35, 41,870,801.54 and 13,355,114.40

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Solution

The fourth proportional to 27,931,983.35, 41,870,801.54 and 13,355,114.40 is: 20,019,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931,983.35 : 41,870,801.54 = 13,355,114.40 : x
  2. Step 2: Convert to fraction form
    27,931,983.35/41,870,801.54 = 13,355,114.40/x
  3. Step 3: Cross multiply
    27,931,983.35x = 41,870,801.54 × 13,355,114.40
  4. Step 4: Simplify right side
    27,931,983.35x = 559,189,344,619,783.94
  5. Step 5: Solve for x
    x = 559,189,344,619,783.94/27,931,983.35
  6. Step 6: Final answer
    x = 20,019,679.15

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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.