Home / 12,710,565.36-19,061,430.30-5,423,730.21

Finding the Fourth Proportional to 12,710,565.36, 19,061,430.30 and 5,423,730.21

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Solution

The fourth proportional to 12,710,565.36, 19,061,430.30 and 5,423,730.21 is: 8,133,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,565.36 : 19,061,430.30 = 5,423,730.21 : x
  2. Step 2: Convert to fraction form
    12,710,565.36/19,061,430.30 = 5,423,730.21/x
  3. Step 3: Cross multiply
    12,710,565.36x = 19,061,430.30 × 5,423,730.21
  4. Step 4: Simplify right side
    12,710,565.36x = 103,384,055,363,919.36
  5. Step 5: Solve for x
    x = 103,384,055,363,919.36/12,710,565.36
  6. Step 6: Final answer
    x = 8,133,710.22

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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.