Home / 14,009,000.20-21,006,501.90-6,427,400.20

Finding the Fourth Proportional to 14,009,000.20, 21,006,501.90 and 6,427,400.20

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Solution

The fourth proportional to 14,009,000.20, 21,006,501.90 and 6,427,400.20 is: 9,637,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,000.20 : 21,006,501.90 = 6,427,400.20 : x
  2. Step 2: Convert to fraction form
    14,009,000.20/21,006,501.90 = 6,427,400.20/x
  3. Step 3: Cross multiply
    14,009,000.20x = 21,006,501.90 × 6,427,400.20
  4. Step 4: Simplify right side
    14,009,000.20x = 135,017,194,513,360.38
  5. Step 5: Solve for x
    x = 135,017,194,513,360.38/14,009,000.20
  6. Step 6: Final answer
    x = 9,637,889.40

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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.