Home / 15,730,427.64-21,718,430.46-9,858,886.68

Finding the Fourth Proportional to 15,730,427.64, 21,718,430.46 and 9,858,886.68

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Solution

The fourth proportional to 15,730,427.64, 21,718,430.46 and 9,858,886.68 is: 13,611,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730,427.64 : 21,718,430.46 = 9,858,886.68 : x
  2. Step 2: Convert to fraction form
    15,730,427.64/21,718,430.46 = 9,858,886.68/x
  3. Step 3: Cross multiply
    15,730,427.64x = 21,718,430.46 × 9,858,886.68
  4. Step 4: Simplify right side
    15,730,427.64x = 214,119,544,772,600.28
  5. Step 5: Solve for x
    x = 214,119,544,772,600.28/15,730,427.64
  6. Step 6: Final answer
    x = 13,611,806.98

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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.