Home / 14,361,555.72-19,831,985.76-10,689,130.72

Finding the Fourth Proportional to 14,361,555.72, 19,831,985.76 and 10,689,130.72

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Solution

The fourth proportional to 14,361,555.72, 19,831,985.76 and 10,689,130.72 is: 14,760,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361,555.72 : 19,831,985.76 = 10,689,130.72 : x
  2. Step 2: Convert to fraction form
    14,361,555.72/19,831,985.76 = 10,689,130.72/x
  3. Step 3: Cross multiply
    14,361,555.72x = 19,831,985.76 × 10,689,130.72
  4. Step 4: Simplify right side
    14,361,555.72x = 211,986,688,225,818.56
  5. Step 5: Solve for x
    x = 211,986,688,225,818.56/14,361,555.72
  6. Step 6: Final answer
    x = 14,760,705.06

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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.