Finding the Fourth Proportional to 56,089,562.40, 84,143,641.84 and 19,688,507.68
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Solution
The fourth proportional to 56,089,562.40, 84,143,641.84 and 19,688,507.68 is: 29,536,025.38
Step by Step Solution
- Step 1: Write the proportion equation
56,089,562.40 : 84,143,641.84 = 19,688,507.68 : x - Step 2: Convert to fraction form
56,089,562.40/84,143,641.84 = 19,688,507.68/x - Step 3: Cross multiply
56,089,562.40x = 84,143,641.84 × 19,688,507.68 - Step 4: Simplify right side
56,089,562.40x = 1,656,662,738,590,009.50 - Step 5: Solve for x
x = 1,656,662,738,590,009.50/56,089,562.40 - Step 6: Final answer
x = 29,536,025.38
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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.