Home / 21,963,325.80-32,929,628.70-12,983,255.40

Finding the Fourth Proportional to 21,963,325.80, 32,929,628.70 and 12,983,255.40

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Solution

The fourth proportional to 21,963,325.80, 32,929,628.70 and 12,983,255.40 is: 19,465,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,325.80 : 32,929,628.70 = 12,983,255.40 : x
  2. Step 2: Convert to fraction form
    21,963,325.80/32,929,628.70 = 12,983,255.40/x
  3. Step 3: Cross multiply
    21,963,325.80x = 32,929,628.70 × 12,983,255.40
  4. Step 4: Simplify right side
    21,963,325.80x = 427,533,779,639,270
  5. Step 5: Solve for x
    x = 427,533,779,639,270/21,963,325.80
  6. Step 6: Final answer
    x = 19,465,803.29

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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.