Home / 30,742,474.80-46,112,977.08-9,992,886.90

Finding the Fourth Proportional to 30,742,474.80, 46,112,977.08 and 9,992,886.90

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Solution

The fourth proportional to 30,742,474.80, 46,112,977.08 and 9,992,886.90 is: 14,989,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742,474.80 : 46,112,977.08 = 9,992,886.90 : x
  2. Step 2: Convert to fraction form
    30,742,474.80/46,112,977.08 = 9,992,886.90/x
  3. Step 3: Cross multiply
    30,742,474.80x = 46,112,977.08 × 9,992,886.90
  4. Step 4: Simplify right side
    30,742,474.80x = 460,801,764,582,732.25
  5. Step 5: Solve for x
    x = 460,801,764,582,732.25/30,742,474.80
  6. Step 6: Final answer
    x = 14,989,091.40

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1.5x scale

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.