Home / 30,610,724.59-42,242,800.71-16,859,688.72

Finding the Fourth Proportional to 30,610,724.59, 42,242,800.71 and 16,859,688.72

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Solution

The fourth proportional to 30,610,724.59, 42,242,800.71 and 16,859,688.72 is: 23,266,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,724.59 : 42,242,800.71 = 16,859,688.72 : x
  2. Step 2: Convert to fraction form
    30,610,724.59/42,242,800.71 = 16,859,688.72/x
  3. Step 3: Cross multiply
    30,610,724.59x = 42,242,800.71 × 16,859,688.72
  4. Step 4: Simplify right side
    30,610,724.59x = 712,200,470,631,595
  5. Step 5: Solve for x
    x = 712,200,470,631,595/30,610,724.59
  6. Step 6: Final answer
    x = 23,266,370.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.