Finding the Fourth Proportional to 15,038,871.51, 22,551,308.85 and 5,453,862.87
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Solution
The fourth proportional to 15,038,871.51, 22,551,308.85 and 5,453,862.87 is: 8,178,256.32
Step by Step Solution
- Step 1: Write the proportion equation
15,038,871.51 : 22,551,308.85 = 5,453,862.87 : x - Step 2: Convert to fraction form
15,038,871.51/22,551,308.85 = 5,453,862.87/x - Step 3: Cross multiply
15,038,871.51x = 22,551,308.85 × 5,453,862.87 - Step 4: Simplify right side
15,038,871.51x = 122,991,746,006,917.41 - Step 5: Solve for x
x = 122,991,746,006,917.41/15,038,871.51 - Step 6: Final answer
x = 8,178,256.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.