Home / 28,685,485.61-39,584,815.94-15,632,466.02

Finding the Fourth Proportional to 28,685,485.61, 39,584,815.94 and 15,632,466.02

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Solution

The fourth proportional to 28,685,485.61, 39,584,815.94 and 15,632,466.02 is: 21,572,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,485.61 : 39,584,815.94 = 15,632,466.02 : x
  2. Step 2: Convert to fraction form
    28,685,485.61/39,584,815.94 = 15,632,466.02/x
  3. Step 3: Cross multiply
    28,685,485.61x = 39,584,815.94 × 15,632,466.02
  4. Step 4: Simplify right side
    28,685,485.61x = 618,808,290,011,842
  5. Step 5: Solve for x
    x = 618,808,290,011,842/28,685,485.61
  6. Step 6: Final answer
    x = 21,572,174.11

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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.