Home / 15,609,688.10-21,538,799.96-9,804,334.87

Finding the Fourth Proportional to 15,609,688.10, 21,538,799.96 and 9,804,334.87

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Solution

The fourth proportional to 15,609,688.10, 21,538,799.96 and 9,804,334.87 is: 13,528,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609,688.10 : 21,538,799.96 = 9,804,334.87 : x
  2. Step 2: Convert to fraction form
    15,609,688.10/21,538,799.96 = 9,804,334.87/x
  3. Step 3: Cross multiply
    15,609,688.10x = 21,538,799.96 × 9,804,334.87
  4. Step 4: Simplify right side
    15,609,688.10x = 211,173,607,538,833.81
  5. Step 5: Solve for x
    x = 211,173,607,538,833.81/15,609,688.10
  6. Step 6: Final answer
    x = 13,528,368.16

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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.