Home / 14,009,000.45-21,006,502.28-6,427,400.45

Finding the Fourth Proportional to 14,009,000.45, 21,006,502.28 and 6,427,400.45

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Solution

The fourth proportional to 14,009,000.45, 21,006,502.28 and 6,427,400.45 is: 9,637,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,000.45 : 21,006,502.28 = 6,427,400.45 : x
  2. Step 2: Convert to fraction form
    14,009,000.45/21,006,502.28 = 6,427,400.45/x
  3. Step 3: Cross multiply
    14,009,000.45x = 21,006,502.28 × 6,427,400.45
  4. Step 4: Simplify right side
    14,009,000.45x = 135,017,202,175,261.02
  5. Step 5: Solve for x
    x = 135,017,202,175,261.02/14,009,000.45
  6. Step 6: Final answer
    x = 9,637,889.77

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1.5x scale

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.