Home / 19,032,438.60-28,549,758.54-5,384,441.70

Finding the Fourth Proportional to 19,032,438.60, 28,549,758.54 and 5,384,441.70

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Solution

The fourth proportional to 19,032,438.60, 28,549,758.54 and 5,384,441.70 is: 8,076,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032,438.60 : 28,549,758.54 = 5,384,441.70 : x
  2. Step 2: Convert to fraction form
    19,032,438.60/28,549,758.54 = 5,384,441.70/x
  3. Step 3: Cross multiply
    19,032,438.60x = 28,549,758.54 × 5,384,441.70
  4. Step 4: Simplify right side
    19,032,438.60x = 153,724,510,407,707.12
  5. Step 5: Solve for x
    x = 153,724,510,407,707.12/19,032,438.60
  6. Step 6: Final answer
    x = 8,076,973.93

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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.