Home / 42,366,913.80-63,550,370.70-12,070,840.20

Finding the Fourth Proportional to 42,366,913.80, 63,550,370.70 and 12,070,840.20

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Solution

The fourth proportional to 42,366,913.80, 63,550,370.70 and 12,070,840.20 is: 18,106,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366,913.80 : 63,550,370.70 = 12,070,840.20 : x
  2. Step 2: Convert to fraction form
    42,366,913.80/63,550,370.70 = 12,070,840.20/x
  3. Step 3: Cross multiply
    42,366,913.80x = 63,550,370.70 × 12,070,840.20
  4. Step 4: Simplify right side
    42,366,913.80x = 767,106,369,370,462.12
  5. Step 5: Solve for x
    x = 767,106,369,370,462.12/42,366,913.80
  6. Step 6: Final answer
    x = 18,106,260.30

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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.