Home / 12,779,681.99-19,155,323.88-9,737,016.87

Finding the Fourth Proportional to 12,779,681.99, 19,155,323.88 and 9,737,016.87

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Solution

The fourth proportional to 12,779,681.99, 19,155,323.88 and 9,737,016.87 is: 14,594,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,681.99 : 19,155,323.88 = 9,737,016.87 : x
  2. Step 2: Convert to fraction form
    12,779,681.99/19,155,323.88 = 9,737,016.87/x
  3. Step 3: Cross multiply
    12,779,681.99x = 19,155,323.88 × 9,737,016.87
  4. Step 4: Simplify right side
    12,779,681.99x = 186,515,711,733,957.59
  5. Step 5: Solve for x
    x = 186,515,711,733,957.59/12,779,681.99
  6. Step 6: Final answer
    x = 14,594,706.81

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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.