Home / 19,208,130.49-28,810,073.65-4,831,203.93

Finding the Fourth Proportional to 19,208,130.49, 28,810,073.65 and 4,831,203.93

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Solution

The fourth proportional to 19,208,130.49, 28,810,073.65 and 4,831,203.93 is: 7,246,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,130.49 : 28,810,073.65 = 4,831,203.93 : x
  2. Step 2: Convert to fraction form
    19,208,130.49/28,810,073.65 = 4,831,203.93/x
  3. Step 3: Cross multiply
    19,208,130.49x = 28,810,073.65 × 4,831,203.93
  4. Step 4: Simplify right side
    19,208,130.49x = 139,187,341,041,469.42
  5. Step 5: Solve for x
    x = 139,187,341,041,469.42/19,208,130.49
  6. Step 6: Final answer
    x = 7,246,272.15

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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.