Home / 43,578,024.90-65,360,038.95-13,278,840.90

Finding the Fourth Proportional to 43,578,024.90, 65,360,038.95 and 13,278,840.90

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Solution

The fourth proportional to 43,578,024.90, 65,360,038.95 and 13,278,840.90 is: 19,916,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,024.90 : 65,360,038.95 = 13,278,840.90 : x
  2. Step 2: Convert to fraction form
    43,578,024.90/65,360,038.95 = 13,278,840.90/x
  3. Step 3: Cross multiply
    43,578,024.90x = 65,360,038.95 × 13,278,840.90
  4. Step 4: Simplify right side
    43,578,024.90x = 867,905,558,434,853.12
  5. Step 5: Solve for x
    x = 867,905,558,434,853.12/43,578,024.90
  6. Step 6: Final answer
    x = 19,916,128.84

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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.