Home / 19,890,547.16-29,835,829.02-8,947,955.46

Finding the Fourth Proportional to 19,890,547.16, 29,835,829.02 and 8,947,955.46

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Solution

The fourth proportional to 19,890,547.16, 29,835,829.02 and 8,947,955.46 is: 13,421,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,547.16 : 29,835,829.02 = 8,947,955.46 : x
  2. Step 2: Convert to fraction form
    19,890,547.16/29,835,829.02 = 8,947,955.46/x
  3. Step 3: Cross multiply
    19,890,547.16x = 29,835,829.02 × 8,947,955.46
  4. Step 4: Simplify right side
    19,890,547.16x = 266,969,669,183,135.47
  5. Step 5: Solve for x
    x = 266,969,669,183,135.47/19,890,547.16
  6. Step 6: Final answer
    x = 13,421,936.92

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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.