Finding the Fourth Proportional to 19,579,554.04, 29,359,246.56 and 8,787,603.28
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Solution
The fourth proportional to 19,579,554.04, 29,359,246.56 and 8,787,603.28 is: 13,176,878.84
Step by Step Solution
- Step 1: Write the proportion equation
19,579,554.04 : 29,359,246.56 = 8,787,603.28 : x - Step 2: Convert to fraction form
19,579,554.04/29,359,246.56 = 8,787,603.28/x - Step 3: Cross multiply
19,579,554.04x = 29,359,246.56 × 8,787,603.28 - Step 4: Simplify right side
19,579,554.04x = 257,997,411,368,984.69 - Step 5: Solve for x
x = 257,997,411,368,984.69/19,579,554.04 - Step 6: Final answer
x = 13,176,878.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.