Home / 14,371,735.72-19,830,341.86-8,176,420.80

Finding the Fourth Proportional to 14,371,735.72, 19,830,341.86 and 8,176,420.80

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Solution

The fourth proportional to 14,371,735.72, 19,830,341.86 and 8,176,420.80 is: 11,281,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,735.72 : 19,830,341.86 = 8,176,420.80 : x
  2. Step 2: Convert to fraction form
    14,371,735.72/19,830,341.86 = 8,176,420.80/x
  3. Step 3: Cross multiply
    14,371,735.72x = 19,830,341.86 × 8,176,420.80
  4. Step 4: Simplify right side
    14,371,735.72x = 162,141,219,655,214.69
  5. Step 5: Solve for x
    x = 162,141,219,655,214.69/14,371,735.72
  6. Step 6: Final answer
    x = 11,281,951.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.