Finding the Fourth Proportional to 11,240,774.19, 15,513,169.64 and 8,936,681.64
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Solution
The fourth proportional to 11,240,774.19, 15,513,169.64 and 8,936,681.64 is: 12,333,337.18
Step by Step Solution
- Step 1: Write the proportion equation
11,240,774.19 : 15,513,169.64 = 8,936,681.64 : x - Step 2: Convert to fraction form
11,240,774.19/15,513,169.64 = 8,936,681.64/x - Step 3: Cross multiply
11,240,774.19x = 15,513,169.64 × 8,936,681.64 - Step 4: Simplify right side
11,240,774.19x = 138,636,258,287,709.41 - Step 5: Solve for x
x = 138,636,258,287,709.41/11,240,774.19 - Step 6: Final answer
x = 12,333,337.18
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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.