Home / 31,172,519.40-46,758,779.10-9,605,200.20

Finding the Fourth Proportional to 31,172,519.40, 46,758,779.10 and 9,605,200.20

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Solution

The fourth proportional to 31,172,519.40, 46,758,779.10 and 9,605,200.20 is: 14,407,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172,519.40 : 46,758,779.10 = 9,605,200.20 : x
  2. Step 2: Convert to fraction form
    31,172,519.40/46,758,779.10 = 9,605,200.20/x
  3. Step 3: Cross multiply
    31,172,519.40x = 46,758,779.10 × 9,605,200.20
  4. Step 4: Simplify right side
    31,172,519.40x = 449,127,434,363,075.81
  5. Step 5: Solve for x
    x = 449,127,434,363,075.81/31,172,519.40
  6. Step 6: Final answer
    x = 14,407,800.30

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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.