Home / 28,249,013.21-42,373,913.47-8,054,255.21

Finding the Fourth Proportional to 28,249,013.21, 42,373,913.47 and 8,054,255.21

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Solution

The fourth proportional to 28,249,013.21, 42,373,913.47 and 8,054,255.21 is: 12,081,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,013.21 : 42,373,913.47 = 8,054,255.21 : x
  2. Step 2: Convert to fraction form
    28,249,013.21/42,373,913.47 = 8,054,255.21/x
  3. Step 3: Cross multiply
    28,249,013.21x = 42,373,913.47 × 8,054,255.21
  4. Step 4: Simplify right side
    28,249,013.21x = 341,290,313,101,831.50
  5. Step 5: Solve for x
    x = 341,290,313,101,831.50/28,249,013.21
  6. Step 6: Final answer
    x = 12,081,495.05

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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.