Home / 14,208,077.40-21,312,116.10-9,878,400.60

Finding the Fourth Proportional to 14,208,077.40, 21,312,116.10 and 9,878,400.60

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Solution

The fourth proportional to 14,208,077.40, 21,312,116.10 and 9,878,400.60 is: 14,817,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,077.40 : 21,312,116.10 = 9,878,400.60 : x
  2. Step 2: Convert to fraction form
    14,208,077.40/21,312,116.10 = 9,878,400.60/x
  3. Step 3: Cross multiply
    14,208,077.40x = 21,312,116.10 × 9,878,400.60
  4. Step 4: Simplify right side
    14,208,077.40x = 210,529,620,469,509.66
  5. Step 5: Solve for x
    x = 210,529,620,469,509.66/14,208,077.40
  6. Step 6: Final answer
    x = 14,817,600.90

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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.