Home / 19,789,030.80-29,673,048.60-7,009,952.40

Finding the Fourth Proportional to 19,789,030.80, 29,673,048.60 and 7,009,952.40

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Solution

The fourth proportional to 19,789,030.80, 29,673,048.60 and 7,009,952.40 is: 10,511,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,030.80 : 29,673,048.60 = 7,009,952.40 : x
  2. Step 2: Convert to fraction form
    19,789,030.80/29,673,048.60 = 7,009,952.40/x
  3. Step 3: Cross multiply
    19,789,030.80x = 29,673,048.60 × 7,009,952.40
  4. Step 4: Simplify right side
    19,789,030.80x = 208,006,658,248,886.66
  5. Step 5: Solve for x
    x = 208,006,658,248,886.66/19,789,030.80
  6. Step 6: Final answer
    x = 10,511,209.99

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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.