Home / 12,091,962.08-16,688,721.84-9,186,572

Finding the Fourth Proportional to 12,091,962.08, 16,688,721.84 and 9,186,572

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Solution

The fourth proportional to 12,091,962.08, 16,688,721.84 and 9,186,572 is: 12,678,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091,962.08 : 16,688,721.84 = 9,186,572 : x
  2. Step 2: Convert to fraction form
    12,091,962.08/16,688,721.84 = 9,186,572/x
  3. Step 3: Cross multiply
    12,091,962.08x = 16,688,721.84 × 9,186,572
  4. Step 4: Simplify right side
    12,091,962.08x = 153,312,144,771,132.47
  5. Step 5: Solve for x
    x = 153,312,144,771,132.47/12,091,962.08
  6. Step 6: Final answer
    x = 12,678,847.63

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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.