Home / 31,161,920.40-46,742,880.60-16,813,013.40

Finding the Fourth Proportional to 31,161,920.40, 46,742,880.60 and 16,813,013.40

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Solution

The fourth proportional to 31,161,920.40, 46,742,880.60 and 16,813,013.40 is: 25,219,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,920.40 : 46,742,880.60 = 16,813,013.40 : x
  2. Step 2: Convert to fraction form
    31,161,920.40/46,742,880.60 = 16,813,013.40/x
  3. Step 3: Cross multiply
    31,161,920.40x = 46,742,880.60 × 16,813,013.40
  4. Step 4: Simplify right side
    31,161,920.40x = 785,888,677,882,400
  5. Step 5: Solve for x
    x = 785,888,677,882,400/31,161,920.40
  6. Step 6: Final answer
    x = 25,219,520.10

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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.