Home / 11,878,312.51-16,392,071.26-6,445,804.51

Finding the Fourth Proportional to 11,878,312.51, 16,392,071.26 and 6,445,804.51

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Solution

The fourth proportional to 11,878,312.51, 16,392,071.26 and 6,445,804.51 is: 8,895,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,312.51 : 16,392,071.26 = 6,445,804.51 : x
  2. Step 2: Convert to fraction form
    11,878,312.51/16,392,071.26 = 6,445,804.51/x
  3. Step 3: Cross multiply
    11,878,312.51x = 16,392,071.26 × 6,445,804.51
  4. Step 4: Simplify right side
    11,878,312.51x = 105,660,086,855,949.38
  5. Step 5: Solve for x
    x = 105,660,086,855,949.38/11,878,312.51
  6. Step 6: Final answer
    x = 8,895,210.22

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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.