Home / 10,389,124.84-14,337,309.56-5,805,639.40

Finding the Fourth Proportional to 10,389,124.84, 14,337,309.56 and 5,805,639.40

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Solution

The fourth proportional to 10,389,124.84, 14,337,309.56 and 5,805,639.40 is: 8,011,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,124.84 : 14,337,309.56 = 5,805,639.40 : x
  2. Step 2: Convert to fraction form
    10,389,124.84/14,337,309.56 = 5,805,639.40/x
  3. Step 3: Cross multiply
    10,389,124.84x = 14,337,309.56 × 5,805,639.40
  4. Step 4: Simplify right side
    10,389,124.84x = 83,237,249,271,532.67
  5. Step 5: Solve for x
    x = 83,237,249,271,532.67/10,389,124.84
  6. Step 6: Final answer
    x = 8,011,959.67

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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.