Home / 27,702,207.29-38,228,378.73-15,142,703.69

Finding the Fourth Proportional to 27,702,207.29, 38,228,378.73 and 15,142,703.69

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Solution

The fourth proportional to 27,702,207.29, 38,228,378.73 and 15,142,703.69 is: 20,896,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,207.29 : 38,228,378.73 = 15,142,703.69 : x
  2. Step 2: Convert to fraction form
    27,702,207.29/38,228,378.73 = 15,142,703.69/x
  3. Step 3: Cross multiply
    27,702,207.29x = 38,228,378.73 × 15,142,703.69
  4. Step 4: Simplify right side
    27,702,207.29x = 578,881,011,657,488.50
  5. Step 5: Solve for x
    x = 578,881,011,657,488.50/27,702,207.29
  6. Step 6: Final answer
    x = 20,896,566.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.