Home / 28,249,018.47-42,373,921.35-8,054,260.47

Finding the Fourth Proportional to 28,249,018.47, 42,373,921.35 and 8,054,260.47

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Solution

The fourth proportional to 28,249,018.47, 42,373,921.35 and 8,054,260.47 is: 12,081,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,018.47 : 42,373,921.35 = 8,054,260.47 : x
  2. Step 2: Convert to fraction form
    28,249,018.47/42,373,921.35 = 8,054,260.47/x
  3. Step 3: Cross multiply
    28,249,018.47x = 42,373,921.35 × 8,054,260.47
  4. Step 4: Simplify right side
    28,249,018.47x = 341,290,599,688,194.06
  5. Step 5: Solve for x
    x = 341,290,599,688,194.06/28,249,018.47
  6. Step 6: Final answer
    x = 12,081,502.94

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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.