Home / 12,470,459.79-17,209,071.95-6,963,931.41

Finding the Fourth Proportional to 12,470,459.79, 17,209,071.95 and 6,963,931.41

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Solution

The fourth proportional to 12,470,459.79, 17,209,071.95 and 6,963,931.41 is: 9,610,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,459.79 : 17,209,071.95 = 6,963,931.41 : x
  2. Step 2: Convert to fraction form
    12,470,459.79/17,209,071.95 = 6,963,931.41/x
  3. Step 3: Cross multiply
    12,470,459.79x = 17,209,071.95 × 6,963,931.41
  4. Step 4: Simplify right side
    12,470,459.79x = 119,842,796,706,964.78
  5. Step 5: Solve for x
    x = 119,842,796,706,964.78/12,470,459.79
  6. Step 6: Final answer
    x = 9,610,134.57

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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.