Finding the Fourth Proportional to 28,768,319.12, 39,709,741.38 and 22,898,720
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Solution
The fourth proportional to 28,768,319.12, 39,709,741.38 and 22,898,720 is: 31,607,764.27
Step by Step Solution
- Step 1: Write the proportion equation
28,768,319.12 : 39,709,741.38 = 22,898,720 : x - Step 2: Convert to fraction form
28,768,319.12/39,709,741.38 = 22,898,720/x - Step 3: Cross multiply
28,768,319.12x = 39,709,741.38 × 22,898,720 - Step 4: Simplify right side
28,768,319.12x = 909,302,249,133,033.62 - Step 5: Solve for x
x = 909,302,249,133,033.62/28,768,319.12 - Step 6: Final answer
x = 31,607,764.27
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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.