Home / 14,087,277.80-21,130,916.70-3,989,898.80

Finding the Fourth Proportional to 14,087,277.80, 21,130,916.70 and 3,989,898.80

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Solution

The fourth proportional to 14,087,277.80, 21,130,916.70 and 3,989,898.80 is: 5,984,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087,277.80 : 21,130,916.70 = 3,989,898.80 : x
  2. Step 2: Convert to fraction form
    14,087,277.80/21,130,916.70 = 3,989,898.80/x
  3. Step 3: Cross multiply
    14,087,277.80x = 21,130,916.70 × 3,989,898.80
  4. Step 4: Simplify right side
    14,087,277.80x = 84,310,219,184,229.95
  5. Step 5: Solve for x
    x = 84,310,219,184,229.95/14,087,277.80
  6. Step 6: Final answer
    x = 5,984,848.20

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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.