Home / 18,832,678.47-28,249,280.15-5,369,506.47

Finding the Fourth Proportional to 18,832,678.47, 28,249,280.15 and 5,369,506.47

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Solution

The fourth proportional to 18,832,678.47, 28,249,280.15 and 5,369,506.47 is: 8,054,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,678.47 : 28,249,280.15 = 5,369,506.47 : x
  2. Step 2: Convert to fraction form
    18,832,678.47/28,249,280.15 = 5,369,506.47/x
  3. Step 3: Cross multiply
    18,832,678.47x = 28,249,280.15 × 5,369,506.47
  4. Step 4: Simplify right side
    18,832,678.47x = 151,684,692,538,267.56
  5. Step 5: Solve for x
    x = 151,684,692,538,267.56/18,832,678.47
  6. Step 6: Final answer
    x = 8,054,334.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.