Home / 28,075,137.00-38,742,975.29-15,685,323.47

Finding the Fourth Proportional to 28,075,137.00, 38,742,975.29 and 15,685,323.47

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Solution

The fourth proportional to 28,075,137.00, 38,742,975.29 and 15,685,323.47 is: 21,645,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075,137.00 : 38,742,975.29 = 15,685,323.47 : x
  2. Step 2: Convert to fraction form
    28,075,137.00/38,742,975.29 = 15,685,323.47/x
  3. Step 3: Cross multiply
    28,075,137.00x = 38,742,975.29 × 15,685,323.47
  4. Step 4: Simplify right side
    28,075,137.00x = 607,696,099,719,760.38
  5. Step 5: Solve for x
    x = 607,696,099,719,760.38/28,075,137.00
  6. Step 6: Final answer
    x = 21,645,347.62

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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.