Home / 12,709,271.40-19,042,911.90-10,819,703.40

Finding the Fourth Proportional to 12,709,271.40, 19,042,911.90 and 10,819,703.40

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Solution

The fourth proportional to 12,709,271.40, 19,042,911.90 and 10,819,703.40 is: 16,211,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,271.40 : 19,042,911.90 = 10,819,703.40 : x
  2. Step 2: Convert to fraction form
    12,709,271.40/19,042,911.90 = 10,819,703.40/x
  3. Step 3: Cross multiply
    12,709,271.40x = 19,042,911.90 × 10,819,703.40
  4. Step 4: Simplify right side
    12,709,271.40x = 206,038,658,630,330.44
  5. Step 5: Solve for x
    x = 206,038,658,630,330.44/12,709,271.40
  6. Step 6: Final answer
    x = 16,211,681.39

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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.