Home / 30,742,456.80-46,112,950.08-9,992,868.90

Finding the Fourth Proportional to 30,742,456.80, 46,112,950.08 and 9,992,868.90

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Solution

The fourth proportional to 30,742,456.80, 46,112,950.08 and 9,992,868.90 is: 14,989,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742,456.80 : 46,112,950.08 = 9,992,868.90 : x
  2. Step 2: Convert to fraction form
    30,742,456.80/46,112,950.08 = 9,992,868.90/x
  3. Step 3: Cross multiply
    30,742,456.80x = 46,112,950.08 × 9,992,868.90
  4. Step 4: Simplify right side
    30,742,456.80x = 460,800,664,741,684.50
  5. Step 5: Solve for x
    x = 460,800,664,741,684.50/30,742,456.80
  6. Step 6: Final answer
    x = 14,989,064.40

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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.