Home / 14,446,710.25-19,935,930.80-7,920,196.81

Finding the Fourth Proportional to 14,446,710.25, 19,935,930.80 and 7,920,196.81

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Solution

The fourth proportional to 14,446,710.25, 19,935,930.80 and 7,920,196.81 is: 10,929,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,710.25 : 19,935,930.80 = 7,920,196.81 : x
  2. Step 2: Convert to fraction form
    14,446,710.25/19,935,930.80 = 7,920,196.81/x
  3. Step 3: Cross multiply
    14,446,710.25x = 19,935,930.80 × 7,920,196.81
  4. Step 4: Simplify right side
    14,446,710.25x = 157,896,495,496,501.41
  5. Step 5: Solve for x
    x = 157,896,495,496,501.41/14,446,710.25
  6. Step 6: Final answer
    x = 10,929,581.39

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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.