Finding the Fourth Proportional to 48,130,316.91, 72,202,337.16 and 15,784,751.07
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Solution
The fourth proportional to 48,130,316.91, 72,202,337.16 and 15,784,751.07 is: 23,679,376.99
Step by Step Solution
- Step 1: Write the proportion equation
48,130,316.91 : 72,202,337.16 = 15,784,751.07 : x - Step 2: Convert to fraction form
48,130,316.91/72,202,337.16 = 15,784,751.07/x - Step 3: Cross multiply
48,130,316.91x = 72,202,337.16 × 15,784,751.07 - Step 4: Simplify right side
48,130,316.91x = 1,139,695,918,742,810.75 - Step 5: Solve for x
x = 1,139,695,918,742,810.75/48,130,316.91 - Step 6: Final answer
x = 23,679,376.99
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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.