Home / 30,355,966.96-45,537,140.04-9,887,280.37

Finding the Fourth Proportional to 30,355,966.96, 45,537,140.04 and 9,887,280.37

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Solution

The fourth proportional to 30,355,966.96, 45,537,140.04 and 9,887,280.37 is: 14,831,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,966.96 : 45,537,140.04 = 9,887,280.37 : x
  2. Step 2: Convert to fraction form
    30,355,966.96/45,537,140.04 = 9,887,280.37/x
  3. Step 3: Cross multiply
    30,355,966.96x = 45,537,140.04 × 9,887,280.37
  4. Step 4: Simplify right side
    30,355,966.96x = 450,238,470,672,512.88
  5. Step 5: Solve for x
    x = 450,238,470,672,512.88/30,355,966.96
  6. Step 6: Final answer
    x = 14,831,959.44

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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.