Home / 19,261,037.68-28,891,151.74-4,688,038.48

Finding the Fourth Proportional to 19,261,037.68, 28,891,151.74 and 4,688,038.48

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Solution

The fourth proportional to 19,261,037.68, 28,891,151.74 and 4,688,038.48 is: 7,031,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261,037.68 : 28,891,151.74 = 4,688,038.48 : x
  2. Step 2: Convert to fraction form
    19,261,037.68/28,891,151.74 = 4,688,038.48/x
  3. Step 3: Cross multiply
    19,261,037.68x = 28,891,151.74 × 4,688,038.48
  4. Step 4: Simplify right side
    19,261,037.68x = 135,442,831,115,413.91
  5. Step 5: Solve for x
    x = 135,442,831,115,413.91/19,261,037.68
  6. Step 6: Final answer
    x = 7,031,959.20

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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.