Home / 20,023,497.96-30,185,326.59-18,688,739.74

Finding the Fourth Proportional to 20,023,497.96, 30,185,326.59 and 18,688,739.74

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Solution

The fourth proportional to 20,023,497.96, 30,185,326.59 and 18,688,739.74 is: 28,173,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,497.96 : 30,185,326.59 = 18,688,739.74 : x
  2. Step 2: Convert to fraction form
    20,023,497.96/30,185,326.59 = 18,688,739.74/x
  3. Step 3: Cross multiply
    20,023,497.96x = 30,185,326.59 × 18,688,739.74
  4. Step 4: Simplify right side
    20,023,497.96x = 564,125,712,607,411.62
  5. Step 5: Solve for x
    x = 564,125,712,607,411.62/20,023,497.96
  6. Step 6: Final answer
    x = 28,173,185.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.