Home / 28,236,225.16-38,968,870.26-16,637,405.32

Finding the Fourth Proportional to 28,236,225.16, 38,968,870.26 and 16,637,405.32

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Solution

The fourth proportional to 28,236,225.16, 38,968,870.26 and 16,637,405.32 is: 22,961,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,225.16 : 38,968,870.26 = 16,637,405.32 : x
  2. Step 2: Convert to fraction form
    28,236,225.16/38,968,870.26 = 16,637,405.32/x
  3. Step 3: Cross multiply
    28,236,225.16x = 38,968,870.26 × 16,637,405.32
  4. Step 4: Simplify right side
    28,236,225.16x = 648,340,889,378,113.75
  5. Step 5: Solve for x
    x = 648,340,889,378,113.75/28,236,225.16
  6. Step 6: Final answer
    x = 22,961,316.03

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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.