Home / 15,033,261.63-20,746,303.02-8,157,749.16

Finding the Fourth Proportional to 15,033,261.63, 20,746,303.02 and 8,157,749.16

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Solution

The fourth proportional to 15,033,261.63, 20,746,303.02 and 8,157,749.16 is: 11,257,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,261.63 : 20,746,303.02 = 8,157,749.16 : x
  2. Step 2: Convert to fraction form
    15,033,261.63/20,746,303.02 = 8,157,749.16/x
  3. Step 3: Cross multiply
    15,033,261.63x = 20,746,303.02 × 8,157,749.16
  4. Step 4: Simplify right side
    15,033,261.63x = 169,243,136,034,510.47
  5. Step 5: Solve for x
    x = 169,243,136,034,510.47/15,033,261.63
  6. Step 6: Final answer
    x = 11,257,911.97

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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.