Home / 15,770,859.28-21,764,069.25-9,249,192.47

Finding the Fourth Proportional to 15,770,859.28, 21,764,069.25 and 9,249,192.47

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Solution

The fourth proportional to 15,770,859.28, 21,764,069.25 and 9,249,192.47 is: 12,764,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,859.28 : 21,764,069.25 = 9,249,192.47 : x
  2. Step 2: Convert to fraction form
    15,770,859.28/21,764,069.25 = 9,249,192.47/x
  3. Step 3: Cross multiply
    15,770,859.28x = 21,764,069.25 × 9,249,192.47
  4. Step 4: Simplify right side
    15,770,859.28x = 201,300,065,478,068.72
  5. Step 5: Solve for x
    x = 201,300,065,478,068.72/15,770,859.28
  6. Step 6: Final answer
    x = 12,764,051.85

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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.