Finding the Fourth Proportional to 38,189,975.66, 52,706,654.08 and 21,447,466.70
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Solution
The fourth proportional to 38,189,975.66, 52,706,654.08 and 21,447,466.70 is: 29,600,024.32
Step by Step Solution
- Step 1: Write the proportion equation
38,189,975.66 : 52,706,654.08 = 21,447,466.70 : x - Step 2: Convert to fraction form
38,189,975.66/52,706,654.08 = 21,447,466.70/x - Step 3: Cross multiply
38,189,975.66x = 52,706,654.08 × 21,447,466.70 - Step 4: Simplify right side
38,189,975.66x = 1,130,424,208,249,219 - Step 5: Solve for x
x = 1,130,424,208,249,219/38,189,975.66 - Step 6: Final answer
x = 29,600,024.32
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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.