Home / 14,205,424.80-21,283,642.80-6,616,826.40

Finding the Fourth Proportional to 14,205,424.80, 21,283,642.80 and 6,616,826.40

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Solution

The fourth proportional to 14,205,424.80, 21,283,642.80 and 6,616,826.40 is: 9,913,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,424.80 : 21,283,642.80 = 6,616,826.40 : x
  2. Step 2: Convert to fraction form
    14,205,424.80/21,283,642.80 = 6,616,826.40/x
  3. Step 3: Cross multiply
    14,205,424.80x = 21,283,642.80 × 6,616,826.40
  4. Step 4: Simplify right side
    14,205,424.80x = 140,830,169,567,209.94
  5. Step 5: Solve for x
    x = 140,830,169,567,209.94/14,205,424.80
  6. Step 6: Final answer
    x = 9,913,830.21

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1.5x scale

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.