Home / 31,161,947.40-46,742,921.10-16,813,040.40

Finding the Fourth Proportional to 31,161,947.40, 46,742,921.10 and 16,813,040.40

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Solution

The fourth proportional to 31,161,947.40, 46,742,921.10 and 16,813,040.40 is: 25,219,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,947.40 : 46,742,921.10 = 16,813,040.40 : x
  2. Step 2: Convert to fraction form
    31,161,947.40/46,742,921.10 = 16,813,040.40/x
  3. Step 3: Cross multiply
    31,161,947.40x = 46,742,921.10 × 16,813,040.40
  4. Step 4: Simplify right side
    31,161,947.40x = 785,890,620,868,312.38
  5. Step 5: Solve for x
    x = 785,890,620,868,312.38/31,161,947.40
  6. Step 6: Final answer
    x = 25,219,560.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.