Home / 12,849,999.12-19,268,798.28-7,460,006.40

Finding the Fourth Proportional to 12,849,999.12, 19,268,798.28 and 7,460,006.40

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Solution

The fourth proportional to 12,849,999.12, 19,268,798.28 and 7,460,006.40 is: 11,186,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,999.12 : 19,268,798.28 = 7,460,006.40 : x
  2. Step 2: Convert to fraction form
    12,849,999.12/19,268,798.28 = 7,460,006.40/x
  3. Step 3: Cross multiply
    12,849,999.12x = 19,268,798.28 × 7,460,006.40
  4. Step 4: Simplify right side
    12,849,999.12x = 143,745,358,489,109
  5. Step 5: Solve for x
    x = 143,745,358,489,109/12,849,999.12
  6. Step 6: Final answer
    x = 11,186,409.99

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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.