Home / 28,430,918.06-42,646,501.42-9,000,238.93

Finding the Fourth Proportional to 28,430,918.06, 42,646,501.42 and 9,000,238.93

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Solution

The fourth proportional to 28,430,918.06, 42,646,501.42 and 9,000,238.93 is: 13,500,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,918.06 : 42,646,501.42 = 9,000,238.93 : x
  2. Step 2: Convert to fraction form
    28,430,918.06/42,646,501.42 = 9,000,238.93/x
  3. Step 3: Cross multiply
    28,430,918.06x = 42,646,501.42 × 9,000,238.93
  4. Step 4: Simplify right side
    28,430,918.06x = 383,828,702,179,467.44
  5. Step 5: Solve for x
    x = 383,828,702,179,467.44/28,430,918.06
  6. Step 6: Final answer
    x = 13,500,397.75

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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.