Home / 28,482,762.17-39,358,350.75-20,734,352.39

Finding the Fourth Proportional to 28,482,762.17, 39,358,350.75 and 20,734,352.39

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Solution

The fourth proportional to 28,482,762.17, 39,358,350.75 and 20,734,352.39 is: 28,651,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,762.17 : 39,358,350.75 = 20,734,352.39 : x
  2. Step 2: Convert to fraction form
    28,482,762.17/39,358,350.75 = 20,734,352.39/x
  3. Step 3: Cross multiply
    28,482,762.17x = 39,358,350.75 × 20,734,352.39
  4. Step 4: Simplify right side
    28,482,762.17x = 816,069,913,742,929.12
  5. Step 5: Solve for x
    x = 816,069,913,742,929.12/28,482,762.17
  6. Step 6: Final answer
    x = 28,651,361.45

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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.