Home / 15,235,417.10-21,024,875.67-8,709,192.23

Finding the Fourth Proportional to 15,235,417.10, 21,024,875.67 and 8,709,192.23

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Solution

The fourth proportional to 15,235,417.10, 21,024,875.67 and 8,709,192.23 is: 12,018,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,417.10 : 21,024,875.67 = 8,709,192.23 : x
  2. Step 2: Convert to fraction form
    15,235,417.10/21,024,875.67 = 8,709,192.23/x
  3. Step 3: Cross multiply
    15,235,417.10x = 21,024,875.67 × 8,709,192.23
  4. Step 4: Simplify right side
    15,235,417.10x = 183,109,683,684,096.19
  5. Step 5: Solve for x
    x = 183,109,683,684,096.19/15,235,417.10
  6. Step 6: Final answer
    x = 12,018,685.31

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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.