Home / 19,688,970.31-27,170,779.74-10,868,423.88

Finding the Fourth Proportional to 19,688,970.31, 27,170,779.74 and 10,868,423.88

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Solution

The fourth proportional to 19,688,970.31, 27,170,779.74 and 10,868,423.88 is: 14,998,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,970.31 : 27,170,779.74 = 10,868,423.88 : x
  2. Step 2: Convert to fraction form
    19,688,970.31/27,170,779.74 = 10,868,423.88/x
  3. Step 3: Cross multiply
    19,688,970.31x = 27,170,779.74 × 10,868,423.88
  4. Step 4: Simplify right side
    19,688,970.31x = 295,303,551,364,436.19
  5. Step 5: Solve for x
    x = 295,303,551,364,436.19/19,688,970.31
  6. Step 6: Final answer
    x = 14,998,425.35

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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.