Home / 15,700,178.84-21,663,070.96-9,172,547.04

Finding the Fourth Proportional to 15,700,178.84, 21,663,070.96 and 9,172,547.04

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Solution

The fourth proportional to 15,700,178.84, 21,663,070.96 and 9,172,547.04 is: 12,656,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,178.84 : 21,663,070.96 = 9,172,547.04 : x
  2. Step 2: Convert to fraction form
    15,700,178.84/21,663,070.96 = 9,172,547.04/x
  3. Step 3: Cross multiply
    15,700,178.84x = 21,663,070.96 × 9,172,547.04
  4. Step 4: Simplify right side
    15,700,178.84x = 198,705,537,411,457.94
  5. Step 5: Solve for x
    x = 198,705,537,411,457.94/15,700,178.84
  6. Step 6: Final answer
    x = 12,656,259.49

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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.