Home / 39,477,686.80-59,216,530.20-12,554,064.40

Finding the Fourth Proportional to 39,477,686.80, 59,216,530.20 and 12,554,064.40

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Solution

The fourth proportional to 39,477,686.80, 59,216,530.20 and 12,554,064.40 is: 18,831,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477,686.80 : 59,216,530.20 = 12,554,064.40 : x
  2. Step 2: Convert to fraction form
    39,477,686.80/59,216,530.20 = 12,554,064.40/x
  3. Step 3: Cross multiply
    39,477,686.80x = 59,216,530.20 × 12,554,064.40
  4. Step 4: Simplify right side
    39,477,686.80x = 743,408,133,675,345
  5. Step 5: Solve for x
    x = 743,408,133,675,345/39,477,686.80
  6. Step 6: Final answer
    x = 18,831,096.60

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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.