Home / 30,604,209.40-45,800,025.90-21,038,271.40

Finding the Fourth Proportional to 30,604,209.40, 45,800,025.90 and 21,038,271.40

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Solution

The fourth proportional to 30,604,209.40, 45,800,025.90 and 21,038,271.40 is: 31,484,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604,209.40 : 45,800,025.90 = 21,038,271.40 : x
  2. Step 2: Convert to fraction form
    30,604,209.40/45,800,025.90 = 21,038,271.40/x
  3. Step 3: Cross multiply
    30,604,209.40x = 45,800,025.90 × 21,038,271.40
  4. Step 4: Simplify right side
    30,604,209.40x = 963,553,375,011,229.12
  5. Step 5: Solve for x
    x = 963,553,375,011,229.12/30,604,209.40
  6. Step 6: Final answer
    x = 31,484,341.33

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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.