Home / 21,909,038.15-32,866,547.04-9,126,553.50

Finding the Fourth Proportional to 21,909,038.15, 32,866,547.04 and 9,126,553.50

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Solution

The fourth proportional to 21,909,038.15, 32,866,547.04 and 9,126,553.50 is: 13,691,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,038.15 : 32,866,547.04 = 9,126,553.50 : x
  2. Step 2: Convert to fraction form
    21,909,038.15/32,866,547.04 = 9,126,553.50/x
  3. Step 3: Cross multiply
    21,909,038.15x = 32,866,547.04 × 9,126,553.50
  4. Step 4: Simplify right side
    21,909,038.15x = 299,958,299,920,826.62
  5. Step 5: Solve for x
    x = 299,958,299,920,826.62/21,909,038.15
  6. Step 6: Final answer
    x = 13,691,075.70

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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.