Home / 14,528,470.10-21,789,730.80-5,428,887.98

Finding the Fourth Proportional to 14,528,470.10, 21,789,730.80 and 5,428,887.98

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Solution

The fourth proportional to 14,528,470.10, 21,789,730.80 and 5,428,887.98 is: 8,142,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528,470.10 : 21,789,730.80 = 5,428,887.98 : x
  2. Step 2: Convert to fraction form
    14,528,470.10/21,789,730.80 = 5,428,887.98/x
  3. Step 3: Cross multiply
    14,528,470.10x = 21,789,730.80 × 5,428,887.98
  4. Step 4: Simplify right side
    14,528,470.10x = 118,294,007,518,607.12
  5. Step 5: Solve for x
    x = 118,294,007,518,607.12/14,528,470.10
  6. Step 6: Final answer
    x = 8,142,220.53

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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.