Home / 20,590,140-30,884,434.56-6,212,825.76

Finding the Fourth Proportional to 20,590,140, 30,884,434.56 and 6,212,825.76

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Solution

The fourth proportional to 20,590,140, 30,884,434.56 and 6,212,825.76 is: 9,319,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,140 : 30,884,434.56 = 6,212,825.76 : x
  2. Step 2: Convert to fraction form
    20,590,140/30,884,434.56 = 6,212,825.76/x
  3. Step 3: Cross multiply
    20,590,140x = 30,884,434.56 × 6,212,825.76
  4. Step 4: Simplify right side
    20,590,140x = 191,879,610,617,402.25
  5. Step 5: Solve for x
    x = 191,879,610,617,402.25/20,590,140
  6. Step 6: Final answer
    x = 9,319,004.66

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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.