Home / 12,109,134.36-16,710,683.40-6,602,599.92

Finding the Fourth Proportional to 12,109,134.36, 16,710,683.40 and 6,602,599.92

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Solution

The fourth proportional to 12,109,134.36, 16,710,683.40 and 6,602,599.92 is: 9,111,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,134.36 : 16,710,683.40 = 6,602,599.92 : x
  2. Step 2: Convert to fraction form
    12,109,134.36/16,710,683.40 = 6,602,599.92/x
  3. Step 3: Cross multiply
    12,109,134.36x = 16,710,683.40 × 6,602,599.92
  4. Step 4: Simplify right side
    12,109,134.36x = 110,333,956,879,985.33
  5. Step 5: Solve for x
    x = 110,333,956,879,985.33/12,109,134.36
  6. Step 6: Final answer
    x = 9,111,630.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.