Home / 28,924,655.98-39,915,915.75-15,872,133.32

Finding the Fourth Proportional to 28,924,655.98, 39,915,915.75 and 15,872,133.32

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Solution

The fourth proportional to 28,924,655.98, 39,915,915.75 and 15,872,133.32 is: 21,903,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924,655.98 : 39,915,915.75 = 15,872,133.32 : x
  2. Step 2: Convert to fraction form
    28,924,655.98/39,915,915.75 = 15,872,133.32/x
  3. Step 3: Cross multiply
    28,924,655.98x = 39,915,915.75 × 15,872,133.32
  4. Step 4: Simplify right side
    28,924,655.98x = 633,550,736,294,527.12
  5. Step 5: Solve for x
    x = 633,550,736,294,527.12/28,924,655.98
  6. Step 6: Final answer
    x = 21,903,483.89

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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.