Home / 9,772,061.79-13,485,461.14-5,421,148.21

Finding the Fourth Proportional to 9,772,061.79, 13,485,461.14 and 5,421,148.21

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Solution

The fourth proportional to 9,772,061.79, 13,485,461.14 and 5,421,148.21 is: 7,481,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,061.79 : 13,485,461.14 = 5,421,148.21 : x
  2. Step 2: Convert to fraction form
    9,772,061.79/13,485,461.14 = 5,421,148.21/x
  3. Step 3: Cross multiply
    9,772,061.79x = 13,485,461.14 × 5,421,148.21
  4. Step 4: Simplify right side
    9,772,061.79x = 73,106,683,506,582.69
  5. Step 5: Solve for x
    x = 73,106,683,506,582.69/9,772,061.79
  6. Step 6: Final answer
    x = 7,481,193.33

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Double scale
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1.5x scale

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.