Home / 21,831,045.60-30,126,315-12,041,279.48

Finding the Fourth Proportional to 21,831,045.60, 30,126,315 and 12,041,279.48

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Solution

The fourth proportional to 21,831,045.60, 30,126,315 and 12,041,279.48 is: 16,616,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,045.60 : 30,126,315 = 12,041,279.48 : x
  2. Step 2: Convert to fraction form
    21,831,045.60/30,126,315 = 12,041,279.48/x
  3. Step 3: Cross multiply
    21,831,045.60x = 30,126,315 × 12,041,279.48
  4. Step 4: Simplify right side
    21,831,045.60x = 362,759,378,617,516.19
  5. Step 5: Solve for x
    x = 362,759,378,617,516.19/21,831,045.60
  6. Step 6: Final answer
    x = 16,616,674.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.