Home / 15,405,787.40-23,090,018.70-6,877,070.60

Finding the Fourth Proportional to 15,405,787.40, 23,090,018.70 and 6,877,070.60

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Solution

The fourth proportional to 15,405,787.40, 23,090,018.70 and 6,877,070.60 is: 10,307,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405,787.40 : 23,090,018.70 = 6,877,070.60 : x
  2. Step 2: Convert to fraction form
    15,405,787.40/23,090,018.70 = 6,877,070.60/x
  3. Step 3: Cross multiply
    15,405,787.40x = 23,090,018.70 × 6,877,070.60
  4. Step 4: Simplify right side
    15,405,787.40x = 158,791,688,755,220.22
  5. Step 5: Solve for x
    x = 158,791,688,755,220.22/15,405,787.40
  6. Step 6: Final answer
    x = 10,307,275.09

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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.