Finding the Fourth Proportional to 11,354,630.64, 15,667,038.12 and 6,706,058.58
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Solution
The fourth proportional to 11,354,630.64, 15,667,038.12 and 6,706,058.58 is: 9,252,971.65
Step by Step Solution
- Step 1: Write the proportion equation
11,354,630.64 : 15,667,038.12 = 6,706,058.58 : x - Step 2: Convert to fraction form
11,354,630.64/15,667,038.12 = 6,706,058.58/x - Step 3: Cross multiply
11,354,630.64x = 15,667,038.12 × 6,706,058.58 - Step 4: Simplify right side
11,354,630.64x = 105,064,075,407,813.06 - Step 5: Solve for x
x = 105,064,075,407,813.06/11,354,630.64 - Step 6: Final answer
x = 9,252,971.65
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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.