Home / 19,879,085.80-29,818,628.70-7,100,007.40

Finding the Fourth Proportional to 19,879,085.80, 29,818,628.70 and 7,100,007.40

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Solution

The fourth proportional to 19,879,085.80, 29,818,628.70 and 7,100,007.40 is: 10,650,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,085.80 : 29,818,628.70 = 7,100,007.40 : x
  2. Step 2: Convert to fraction form
    19,879,085.80/29,818,628.70 = 7,100,007.40/x
  3. Step 3: Cross multiply
    19,879,085.80x = 29,818,628.70 × 7,100,007.40
  4. Step 4: Simplify right side
    19,879,085.80x = 211,712,484,427,852.38
  5. Step 5: Solve for x
    x = 211,712,484,427,852.38/19,879,085.80
  6. Step 6: Final answer
    x = 10,650,011.10

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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.