Home / 28,403,904.04-42,601,657.02-10,448,809

Finding the Fourth Proportional to 28,403,904.04, 42,601,657.02 and 10,448,809

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Solution

The fourth proportional to 28,403,904.04, 42,601,657.02 and 10,448,809 is: 15,671,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,904.04 : 42,601,657.02 = 10,448,809 : x
  2. Step 2: Convert to fraction form
    28,403,904.04/42,601,657.02 = 10,448,809/x
  3. Step 3: Cross multiply
    28,403,904.04x = 42,601,657.02 × 10,448,809
  4. Step 4: Simplify right side
    28,403,904.04x = 445,136,577,285,489.19
  5. Step 5: Solve for x
    x = 445,136,577,285,489.19/28,403,904.04
  6. Step 6: Final answer
    x = 15,671,668.82

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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.