Home / 42,303,630.80-63,460,111.80-13,544,872.40

Finding the Fourth Proportional to 42,303,630.80, 63,460,111.80 and 13,544,872.40

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Solution

The fourth proportional to 42,303,630.80, 63,460,111.80 and 13,544,872.40 is: 20,318,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,630.80 : 63,460,111.80 = 13,544,872.40 : x
  2. Step 2: Convert to fraction form
    42,303,630.80/63,460,111.80 = 13,544,872.40/x
  3. Step 3: Cross multiply
    42,303,630.80x = 63,460,111.80 × 13,544,872.40
  4. Step 4: Simplify right side
    42,303,630.80x = 859,559,116,820,734.25
  5. Step 5: Solve for x
    x = 859,559,116,820,734.25/42,303,630.80
  6. Step 6: Final answer
    x = 20,318,802.44

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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.