Home / 19,251,810.60-28,877,436.72-4,678,838.16

Finding the Fourth Proportional to 19,251,810.60, 28,877,436.72 and 4,678,838.16

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Solution

The fourth proportional to 19,251,810.60, 28,877,436.72 and 4,678,838.16 is: 7,018,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,810.60 : 28,877,436.72 = 4,678,838.16 : x
  2. Step 2: Convert to fraction form
    19,251,810.60/28,877,436.72 = 4,678,838.16/x
  3. Step 3: Cross multiply
    19,251,810.60x = 28,877,436.72 × 4,678,838.16
  4. Step 4: Simplify right side
    19,251,810.60x = 135,112,852,888,521.23
  5. Step 5: Solve for x
    x = 135,112,852,888,521.23/19,251,810.60
  6. Step 6: Final answer
    x = 7,018,189.39

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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.